cruise on car meaning

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How to Use Cruise Control on a Car

Last Updated: February 20, 2024 Fact Checked

This article was co-authored by Simon Miyerov . Simon Miyerov is the President and Driving Instructor for Drive Rite Academy, a driving academy based out of New York City. Simon has over 8 years of driving instruction experience. His mission is to ensure the safety of everyday drivers and continue to make New York a safer and efficient driving environment. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 497,679 times.

Many cars come with cruise control systems, a great feature that will automatically keep a car driving at a set speed. This gives your feet a rest, and helps you save gas and avoid speeding tickets. Familiarize yourself with your car's cruise control switches, located on or near the steering wheel. Make sure to use cruise control only in safe conditions, and to stay focused on the road. Once you know how to operate cruise control, you're ready for a comfortable, efficient drive!

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Operating Cruise Control

• Check your car's operating manual if you are unable to find the cruise control switches.

• Many cars have additional buttons to increase or decrease speed (marked by a +/-) when using cruise control.

• For some car models, cruise control will not operate below a certain speed, such as 40 miles (64 km) per hour.

• To stop cruise control briefly (such as when a car in front of you brakes), just press the brake as you normally would.
• If you are driving a manual, you can also disengage cruise control by pressing the clutch.
• If you are completely done using cruise control, you can press the “OFF” or "ON/OFF" switch.
• If your car has a cruise control “CANCEL” switch, you can also press that to stop it.

• If your car has a +/- button for cruise control, press this when you want to raise or lower your car's speed.

Using Cruise Control Safely and Efficiently

• Using cruise control on busy streets can also be dangerous. Since you yourself are not in complete control of your car, you may be paying less attention. You might brake or react to other cars more slowly than normal, increasing the chance of an accident.

• Wet or snowy roads
• Hilly, steep, or mountainous areas
• Winding roads

Expert Q&A

You Might Also Like

• ↑ Simon Miyerov. Driving Instructor. Expert Interview. 4 December 2019.
• ↑ https://www.youtube.com/watch?v=jKtBSFoAYlg
• ↑ http://www.thecarexpert.co.uk/cruise-control/

About This Article

If you want to use cruise control on your car, make sure you're on the open road, such as a freeway or highway. Additionally, avoid using cruise control in rainy or snowy conditions, or if you're driving through a city, since you'll need to change speed and turn regularly. When you're ready to switch to cruise control, press the "Set" switch, which is usually found on the steering column or on the wheel, when your car reaches the desired speed. To stop cruise control, press on the brake or push the clutch if you're driving a manual car. To learn when to avoid using cruise control and how it can help you save on fuel, read on! Did this summary help you? Yes No

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What is cruise control in a car? Meaning and how does it work?

Cruising on the highway can be a lot of fun. However, it demands maintaining a constant speed for a long time. To achieve that, you need to press the accelerator pedal continuously, which can get tiring after a while. That’s when the cruise control feature of your car comes into play. So, what exactly does it do and how does it work? This article explains cruise control in a car and how to use it in different driving conditions. So, without stepping on the ‘brake’ pedal, read on!

What is cruise control in a car?

It is a system that accurately maintains the speed set by the driver without any external intervention. It automatically controls the speed of a car and only allows the vehicle to hit a speed set by the driver. It does not allow the car to cross that speed limit. This feature has become common among modern cars. You can even find this feature in the top-spec variants of some of the affordable hatchbacks and sedans.

How does the cruise control system work?

Cruise control in a car replicates the inputs of a driver to control the vehicle’s speed. But instead of pressing the accelerator pedal, it uses a different mechanism to maintain a constant cruising speed.

Initially, the system used a cable to control the accelerator (throttle valve). You can find these mechanisms in older cars. It adjusted the vehicle's speed by engaging the throttle with the help of an actuator that is controlled by a cable. The throttle valve is responsible for the power and speed generated by the engine. So, depending on the speed set by the driver, the system automatically adjusted the throttle position.

But with the advent of technology in the automotive industry, the cruise control system in modern cars entirely relies on electronics. Instead of a cable, the system now communicates with the throttle via various sensors connected to a computer (ECU - Electronic Control Unit). So, when you set a speed, the ECU calculates the throttle position and engages the throttle wirelessly.

The system constantly maintains the speed set by you (driver) irrespective of road conditions. For example, if there’s an incline ahead, cruise control adjusts the throttle accordingly to maintain the same speed.

How to use cruise control?

Before engaging the cruise control in a car, remember that the system is not intended to be used in adverse weather conditions. For example, you may refrain from driving the car at cruising speeds when it’s raining heavily. The low visibility and unpredictable road conditions make it unsafe to drive at such speeds. So, always be mindful of the weather condition and your surroundings before engaging the system.

Here are the steps to use cruise control.

Step 1 - Before activating cruise control, build up speed by accelerating the car. However, do not cross the speed limit of that particular road/highway.

Step 2 - Once your car reaches the desired speed, activate cruise control. Generally, the system activation button will be on the steering wheel. However, locating the exact button when the vehicle is parked is better to avoid any distractions while driving.

Step 3 - Next, you can take your foot off the accelerator pedal. If you have set the cruise control correctly, the car should maintain the cruising speed.

Step 4 - Keep your eyes on the road as it is very easy to get distracted when the car is accelerating automatically.

Step 5 - If you wish to accelerate when the cruise control is engaged, you can press the ‘+’ button on the steering wheel to briefly engage the accelerator pedal.

Step 6 - To decelerate, press the ‘-’ button on the steering wheel. You can also tap on the brake pedal. However, as a safety precaution, almost all cars will deactivate the cruise control as soon as you press the brake pedal.

The buttons to activate cruise control or accelerate/decelerate may vary from one car to another. So, do check the owner’s manual before fiddling around with the system. It’s better if you are familiar with the controls before driving the vehicle, as it will avoid unnecessary distractions.

How to install cruise control in a car?

Can you install cruise control in a car? The answer is both yes and no. You may install an aftermarket kit if it’s an old car that does not rely on electronics to control all the engine-related functions. But installing such a kit becomes almost impossible in modern cars due to the complex electronics.

It is a complex process to install the system in new cars as you have to fiddle with electronics, and it also requires the fitment of hardware. So, it can only be done during the time of car manufacturing. Moreover, if you try installing an aftermarket kit, you may void the warranty offered by the OEM (Original Equipment Manufacturer). On top of that, it is not recommended to go for an aftermarket cruise control kit as it may compromise safety.

Newly launched cars are equipped with cruise control except for a few entry-level models. So, instead of investing in retrofitting a system, it's better and safer to spend that money on buying a car with a built-in system.

Adaptive cruise control

The new technology also allows the system to automatically adjust the car's speed depending on the speed of the vehicle ahead. This feature is known as adaptive cruise control. It ensures that the car maintains a safe distance from the vehicle ahead despite the constant change in speed of the vehicle moving ahead. It is instrumental in highways or during rush hour traffic and reduces driver fatigue.

It is also a level 1 autonomous driving system. The system uses radar sensors to calculate the speed and distance of the car ahead. For instance, if the vehicle in front of you slows down/speeds up, a car with adaptive cruise control will reduce speed/accelerate automatically without any external inputs.

You can find this feature in premium cars. But gradually, it is trickling down to not so expensive cars as well. Adaptive cruise control is a part of an advanced driver assistance system.

Pros and cons of cruise control

Cruise control makes driving easy and convenient, and at the same time, it also takes care of safety. But like every other feature, it has its own set of advantages and disadvantages, which are elaborated in the following section.

Below are some of the pros of the cruise control system.

Reduces driver fatigue: The primary role of cruise control is to maintain a constant speed without you having to step on the accelerator pedal. That means you can rest your right foot and can stay relaxed. It is helpful when you drive long distances on highways where you need to maintain a constant speed for long durations.

Improves fuel economy: When maintaining a constant speed, the engine will not get stressed as it need not change the intensity of operation. To put it in a simple way, when the engine runs at constant RPMs (Revolutions Per Minute) , it consumes less fuel. Hence, when driving long distances on highways, the cruise control system can improve fuel economy.

Helps to drive within the speed limit: You may drive at normal speed on busy urban roads. But when you hit the wide and smooth highways, you may end up crossing the speed limit. You may not even realise that you have crossed the speed limit until you glance at the speedometer. Cruise control can help you in this regard as you can easily set a speed limit and let the system do the work. The system will not allow the car to go over the speed set by you.

Increase/decrease speed with a click of a button: Typically, you use the accelerator and brake pedal to increase/decrease the speed of your car. But when the cruise control is engaged, you can even use the buttons to do the job for you. However, ensure that you are familiar with the functions of the buttons, as it may feel unnatural in the beginning. It is best to practice using the buttons in a safe environment before using them on public roads.

Works well with automatic cars: Cruise control works best with automatic cars as you need not worry about changing gears. The ECU or the onboard computer shifts the gears automatically when there is a change in speed and works well when cruising automatically. It means you only need to focus on steering the vehicle.

As mentioned earlier, cruise control also has some cons, which are listed below.

Limited use on Indian roads: Cruise control is suited for wide and long highways where drivers follow the rules. Although India has some excellent highways, many drivers may disregard rules which creates an unpredictable environment. Also, cattle, dogs and other animals may venture into public roads and make the situation even more tricky. Hence, it may be challenging to cruise at high-speeds.

Hampers reaction time: As mentioned above, the roads in India are unpredictable. You may have to perform emergency braking to avoid any obstacles on the road. When driving with manual controls, your right foot will be on the accelerator pedal, and it is easy to move your foot to step on the brake pedal in an emergency. But, when using cruise control, your right foot will be resting on the floor of the car, and it may take a bit more time to reach the brake pedal. This difference in reaction time may be the difference between you avoiding an obstacle or crashing into it.

Can induce drowsiness: If you use cruise control for long durations, you may end up feeling drowsy. Since the car is accelerating at a constant speed, your alertness level may drop in the long run. Hence, it is recommended that you manually control the vehicle once every 10-15 minutes when using the automatic cruising feature on highways.

Cannot use at night: Cruise control is of no use during night drives as the visibility is poor. Even with well-lit roads, the visibility is not as good as daylight. So, allowing the car to maintain a constant speed may be a safety concern, even on roads that are familiar to you.

It does not work well with manual cars: In a manual car, you have to change gears by yourself. The cruise control will handle the acceleration/deceleration, but you still need to shift the gears manually to maintain the optimum RPM. It can be irritating at times when you need to slow down and accelerate immediately. It may not be a dealbreaker, but it kind of refrains you from experiencing the full potential of the automatic cruising system.

Cruise control vs adaptive cruise control: Key differences

The below table highlights the key differences between cruise control and adaptive cruise control.

What is the difference between cruise control and speed limiter?

Sometimes you may get confused between cruise control and speed limiter as both are related to the car's speed. Refer to the table below to understand the difference between both the systems.

List of cruise control cars In India

Cruise control is a feature that we can see in a lot of cars. Gone are the days when this feature was limited to premium vehicles. Even vehicles with affordable price tags are equipped with intelligent features. Here’s the list of popular cars with the automatic cruising system.

List of adaptive cruise control cars in India

Adaptive cruise control is the more advanced version of the standard automatic cruising system. Currently, this system can be seen only in premium cars in India. Below is the list of popular cars with adaptive cruise control.

Frequently asked questions

Here are some of the most commonly asked questions related to cruise control in cars.

No, it is not a standard feature in cars. However, almost all vehicles costing above Rs. 5 lakhs are equipped with cruise control.

It is not advisable to install an aftermarket cruise control kit in your car as new vehicles have complex electronics. Moreover, installing such a kit involves a complicated process, and it may also void the warranty provided by the car manufacturer.

Typically, the cruise control button is located on the steering wheel for easy access. However, the location of the button may vary depending on the make and model.

Yes, you can use cruise control in a manual car. However, you need to manually control the gear shifts when the vehicle slows down or accelerates when the system is engaged.

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Cruise Control Explained: How It Works, And When You Should Use It

Self-driving cars are becoming increasingly intelligent , but whether they'll ever be ubiquitous and fully capable remains unclear. Tesla notes (for now) that its Full Self Driving Capability is "intended for use with a fully attentive driver, who has their hands on the wheel and is prepared to take over at any moment." For many drivers at present, the automatic functions of their cars are limited to the likes of beeping sensors, flashing displays, and features like cruise control.

Cruise control is a feature provided as standard on a wide range of vehicles; it's one of those functions that some drivers adore and others barely use. While the feature doesn't take over from the driver by any means, it can significantly ease their burden. Essentially, cruise control allows drivers to select an appropriate speed for the road, conditions, and general journey they're currently on, and automatically prevents the vehicle from deviating from that speed.

Experienced drivers, of course, will probably be familiar with the basics of what cruise control does, even if they haven't really used it themselves. Rather more complex than that, though, is the question of exactly how it keeps the vehicle moving at a specific speed. If you've ever wondered how cruise control works, what the pros and cons of using it are, how it's developed since its introduction, and/or when to use it, this is just the piece for you.

The essentials of how cruise control works

Cruise control as we know it today has its roots in the ingenuity of Ralph Teetor. Though he lost his vision following an accident, Teetor rose to become the president of the Society of Automotive Engineers. In that capacity, he used both his passion for auto safety and his extensive experience with other drivers to create the first example of cruise control. In 1950, Teetor held a patent for technology referred to as a "Speed Control Device For Resisting Operation Of The Accelerator," also called the Speedostat, and it worked just as the name implied: the driver could opt for a certain speed by selecting it from the dash, then, through the drive shaft, a piston would provide resisting force on the pedal after arriving at that speed.

The basics of how cruise control functions haven't actually changed very much. Depending on the vehicle model, the input for choosing the desired speed may now be a touchscreen, but the effect is the same: a connected actuator receives the signal from the control device, and, as it runs to the valve for the throttle, is used to control the strength of the force acting on the throttle. Accelerating faster or slower depending on how much faster the inputted speed is, the vehicle will then reach said speed and hold the accelerator in place (though not necessarily physically as Teetor's Speedostat did). This is a mechanically-oriented form of cruise control, but some modern vehicles utilize adaptive cruise control instead.

How is adaptive cruise control different?

The basic concept of cruise control, of course, is centered more around what the specific vehicle is doing, rather than what's on the road around it. Drivers can simply brake as they typically would in response to other drivers, overriding the constant-speed effect of cruise control, which means that autonomy isn't really a factor in cruise control beyond maintaining the speed. Adaptive cruise control like the kind found in some Acura vehicles , however, is a little more sophisticated.

Adaptive cruise control is a feature more able to do exactly that: adapt. This means that while the driver selects the vehicle's cruising speed as before, it is not locked to that speed. Another crucial thing to take into account is the vehicle's distance from others; adaptive or autonomous cruise control adds small and discreet radar systems (inputs situated somewhere near the vehicle's front lights) to the equation to monitor the surrounding area. These radars have ranges from approximately 100 feet to around 600 feet, depending on the vehicle.

A car with ACC will commonly boast small wheel-mounted units that measure its speed, along with a front-mounted one that can determine how far away other vehicles are. The former can adjust how fast your vehicle is moving relative to any motorists ahead, thereby ensuring that you always maintain your selected distance from them. Braking capacity while the system is active differs, but typically, the driver will be alerted to brake heavily if necessary (if a driver ahead does the same for instance).

When cruise control should be used

Some drivers often have the luxury of wide, peaceful, near-empty roads. For others, driving tends to be a commuter's cacophony of traffic jams, honking horns, and slow stop-start-stop-start progress. The experience can differ greatly depending on the time of day and whether it's a weekday or the weekend. The bottom line, though, is that one of these scenarios is a far better fit for cruise control than the other.

Brakes remain operational during the use of cruise control, and engaging them will override the system. This means two things: the driver's attention must still firmly remain on the road as ever (we're not at  level 5 on the autonomous driving scale here) and cruise control has sharply decreased utility in congested areas. By contrast, if you're a driver who frequently takes long-distance trips on open roads, cruise control could be the perfect feature for you. An alert and rested driver is a safe driver, and where longer journeys can compromise those things, cruise control reduces some of that pressure.

Adaptive cruise control, which monitors the ever-changing road ahead continuously via radar or laser, is potentially better equipped to handle congested roads. There's no definitive answer on whether that's the case, however, because this feature is very different from vehicle to vehicle.

Different manufacturers have different cruise control features

Cruise control is a common feature, and adaptive cruise control is becoming increasingly widespread too. The matter of how the two types of cruise control work is a very complex one beyond the basics, though, because different vehicle manufacturers have developed their own unique features for it and implemented the system in different ways.

For example, Audi's Traffic Jam Assist technology can be activated in tandem with its adaptive cruise control, thereby supporting the driver in conditions that aren't optimal for the latter. By means of ultrasonic sensors, radar, and a windshield camera, the vehicle will maintain a consistent distance from the one ahead in traffic while staying oriented on the road. The driver takes full manual controlwhen the congestion clears or Traffic Jam Assist otherwise becomes unsuitable for the situation.

Similarly, select Ford models are among those that offer Intelligent Adaptive Cruise Control, implementing advanced features such as Speed Sign Recognition (which aims to prevent adaptive cruise control users from being caught out by speed limits by adjusting the chosen speed to match them) and Stop-and-Go (limited capacity to stop entirely in response to a vehicle ahead doing the same). As always, drivers should consult their vehicle manual to determine which cruise control features are available and how to use them.

Pros and cons of cruise control and adaptive cruise control

Cruise control can be advantageous for drivers in other ways too. In its capacity to ensure a vehicle remains at a steady speed, where possible, it can boost driving efficiency. According to Natural Resources Canada , varying your speed by around 6 mph every 18 seconds can be 20% more costly in terms of fuel. Cruise control, in a general sense, aims to be as efficient as possible within the parameters the driver provides, which can potentially translate to less fuel being used over time.

This is only the case when driving for longer stretches on wide, clear roads, however. The reason is that there are certain things human drivers are better at than their machine counterparts, and adjusting speed subtly in response to changes in elevation is one of them. Failing to do so can be wasteful. 

On a similar note, Vanderbilt University  found that drivers are more adaptable in their thinking and processing of multiple vehicles and their movements on the road, while cruise control features tend to have a rather narrower focus in terms of the vehicle(s) in front. Cruise control can serve as an invaluable tool for drivers, but isn't infallible. Ensuring that you use it for its intended purpose is the key to best taking advantage of it.

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What is cruise control and should you have it on your next car?

Cruise control can take the strain out of long drives and save you from a speeding fine – here's how it works, when to use it and what adaptive cruise control systems do....

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Modern cruise control is an electronic system that controls the speed your car travels at. Once you’ve set it, the car will carry on driving at the speed selected without you needing to have your foot on the accelerator pedal.

It’s a useful aid for when you’re driving on motorways or A-roads that stops the car’s speed from creeping upwards unintentionally and ensures you don’t break any speed limits . It’s also good for easing foot fatigue and strain on long drives. 

What is adaptive cruise control? 

More complex adaptive cruise control (ACC) systems alter the speed the car is travelling at to keep it a set distance from the vehicle in front, and some systems can keep control of the driving in stop-start traffic jams.

The most advanced cruise control systems also work with a car’s advanced driver assistance features to ensure the car stays in its lane, in the right place on the road when cornering and reacts to avoid potential collisions with other vehicles and road users. 

Some systems work with the car's speed-limit recognition technology and are able to automatically adjust the vehicle's speed accordingly.

How does cruise control work in a car? 

Older cruise control systems controlled a vehicle's speed with a cable, but the latest versions use electronic sensors, speed detectors (such as radar) and a control module to ensure the car maintains a constant speed from the vehicle in front. They allow the driver to set their desired speed and stick to that even if the car goes up or down a steep incline.  

Buttons to set and cancel the cruise control are often sited on the car’s steering wheel, but they can also be located on a stalk control, either as a dedicated unit or integrated into the indicator stalk. To activate the cruise control you should accelerate to the speed you want your car to travel at, and then press the set button. Many systems let the driver adjust the distance between their car and the one in front. 

There are also buttons that allow you to increase or decrease the set speed by increments of 1mph without touching the accelerator or resetting the system. Often you can vary the speed in 5mph increments by pressing these buttons for longer.

Cruise control can be overridden by the driver by tapping the brake pedal, and you can still accelerate in the normal way. Some systems will continue to work afterwards if you’ve intervened briefly to make a manoeuvre such as avoiding a pothole. 

Some cruise control systems also have short-cut controls to reactivate cruising at the previous speed with a single pull of a lever or tap of a button. 

When should you use cruise control? 

Cruise control is best suited to long-distance motorway or A-road driving when you’ll be driving for miles without any speed limit changes and with minimal steering input. Most systems only work at speeds above 25mph, so you’re unlikely to be able to use it on busy, urban roads where the average speed is low and you’ll be doing a lot of stop-start driving. 

When shouldn’t you use cruise control? 

Standard cruise control isn’t good for roads with lots of bends or stop-start traffic because you may have to deactivate the system frequently while negotiating these.

However, some of the most sophisticated adaptive cruise control systems are able to bring a car to a halt in its lane on a motorway if there is a brief traffic jam and then pull away again as the other vehicles start to move.

These systems use radar to monitor the speed of other vehicles and this means they can be better than the driver at anticipating hold-ups and slowing the car down in good time. Other systems use the car's own sat-nav to read the road ahead.

It’s not recommended to use cruise control in very bad weather, such as torrential rain, hail, fog or snow because these conditions can reduce the ability of the sensors to properly detect other traffic.  

We also wouldn’t advise using cruise control if you’re feeling tired because, with less to do behind the wheel, there’s more danger that you could fall asleep. 

Can you brake while using cruise control? 

If your car has adaptive cruise control it will automatically apply the brakes and accelerator to keep the car a set distance from the vehicle in front.

However, if you need to brake manually to avoid an obstacle or other unexpected danger while the cruise control is on, you should do so. On most systems, this will deactivate the system, and you will have to reactivate it, although some will restart automatically after you’ve intervened. If you only want to decrease the speed by a small amount, the easiest way to do this is to use the minus button on the cruise control system. 

How can I tell if my car has cruise control? 

The best way to check if your car is fitted with cruise control, and if so what type and how to use it, is to check your owner’s manual. However, if the car has buttons on the steering wheel that say ‘cruise’, ‘cancel’, ‘res’ and ‘set’ these will be the cruise control switches. 

Is cruise control expensive? 

Many new cars come with cruise control as standard equipment, so if it’s a feature you’d like, check the spec of any potential purchase up front.

If you have an older car, or a model that doesn’t have it fitted, you can have it retro-fitted by a specialist at a cost of around £300 to £500. 

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Cruise Control In Cars Explained (And How To Safely Use It)

Have you ever wished you could set your car's speed and just sit back and relax while driving on a long stretch of highway? If that's the case, then cruise control is just the ticket you've been searching for—and the good news is, it's a standard feature in most cars these days!

Cruise control is a handy feature for drivers that allows you to maintain a constant speed without having to keep your foot on the gas pedal. In this post, we'll explore how cruise control works, its benefits, and how to use it safely to make your driving experience more comfortable.

Understanding Cruise Control

Cruise control, also known as speed control, is an electronic system that allows you to maintain a specific speed without manually controlling the accelerator pedal. The system uses sensors and electronic components to control the throttle and keep your car moving at a desired speed. First introduced in the late 1950s, cruise control has since become a standard feature in most modern vehicles you see on the road today.

How Does It Work?

At its core, cruise control involves a series of sensors that monitor the vehicle's speed and a control unit that regulates the throttle. When the driver sets the cruise control to a specific speed, the system adjusts the throttle to maintain that speed. If the car begins to slow down because of an incline (e.g. going up a hill), the system will open the throttle to accelerate. Conversely, if the car starts to speed up due to a declin (e.g. going downhill), the system will close the throttle to decelerate.

Modern cruise control systems also come with additional features like adaptive cruise control (ACC), which uses radar or cameras to detect vehicles ahead and automatically adjusts the speed to maintain a safe following distance (more on this BELOW).

The History of Cruise Control

The invention of cruise control can be traced back to the late 1940s and early 1950s, when engineer Ralph Teetor developed the first-speed control system. This innovative feature was designed to help drivers maintain a steady speed, reduce fatigue while driving, and improve fuel efficiency. Over the years, cruise control technology has undergone significant advancements, leading to the development of sophisticated systems like adaptive cruise control.

Types of Cruise Control Systems

Today, drivers can choose from a range of cruise control systems, each with its own unique features and functionalities.

Conventional Cruise Control

Conventional cruise control is like your old reliable friend. It's pretty basic and doesn't have any fancy bells and whistles. You just set the speed you want, and it'll keep your car cruising along at that speed, no problem. It's perfect for those long drives on open highways, but it doesn’t automatically react to other cars on the road.

So, if the car in front of you slows down, you'll need to step in and adjust your speed manually. This trusty system comes standard on most cars and is great for saving some fuel on those long road trips .

Adaptive Cruise Control (ACC)

Now, if conventional cruise control is your old reliable friend, then Adaptive Cruise Control (ACC) is like that friend's tech-savvy younger cousin. ACC isn't just maintaining your set speed, it's also keeping an eye on the car in front of you. If that car slows down, ACC slows your car down to keep a safe distance .

It's like having an extra set of eyes on the road, making highway driving a breeze. Plus, some ACC systems can even handle stop-and-go traffic, bringing your car to a full stop and then picking up speed again when traffic gets moving.

Predictive Cruise Control

Predictive Cruise Control is like the fortune teller of cruise control systems. It uses GPS and map data to see into the future and predict what's coming up on the road, like hills or curves, and adjusts your speed accordingly. This means you get a smoother ride and better fuel efficiency, but it all depends on the quality of the GPS and map data. If that's a bit out of date, your fortune-telling cruise control might not be so accurate. It's usually found in more high-end vehicles where top-notch fuel efficiency is a focus for the engineers.

Cooperative Adaptive Cruise Control (CACC)

And then we have Cooperative Adaptive Cruise Control, or CACC. This is like the team player of cruise control systems. It allows cars to talk to each other, coordinating their speeds to maintain a safe distance. It's like having a well-coordinated team of cars all working together to make the traffic flow smoother and reduce congestion. Picture it like a synchronized dance on the highway, where every car knows its place and keeps the right distance. This tech is still pretty new, but it's got a lot of potential. Imagine a future where traffic jams could be a thing of the past.

Remember, these systems are here to make your drive smoother and safer, but they're not a replacement for your attention. No matter how fancy your cruise control is, these systems can be greatly influenced by external conditions like weather and traffic, and they should always be used as aids, not replacements, for attentive driving.

Common Cruise Control Symbols and Indicators

Understanding the various symbols and indicators associated with cruise control is important for safe and effective usage. These symbols typically appear on the dashboard (or on the side of the steering wheel) and may include a speedometer icon, "SET," "RES" (resume), and "CANCEL". Be sure to consult your vehicle's owner's manual for specific details and explanations of these symbols.

Benefits of Using Cruise Control

Cruise control offers several benefits to drivers, especially during long road trips or highway driving.

Fuel Efficiency

One of the main advantages of using cruise control is improved fuel efficiency. By maintaining a constant speed, cruise control helps reduce fuel consumption, leading to better gas mileage. Rapid acceleration and deceleration, on the other hand, can lead to increased fuel consumption.

Comfort and Convenience

Cruise control allows drivers to take their foot off the accelerator pedal, reducing fatigue and improving comfort during long drives. It also helps drivers avoid unintentionally exceeding the speed limit by setting a maximum speed.

When used correctly, cruise control can contribute to safer driving. By maintaining a steady speed, it reduces the likelihood of erratic driving behavior and potential accidents. However, it is important to note that cruise control shouldn't be used in certain conditions, such as heavy traffic or slippery roads .

Troubleshooting Common Cruise Control Issues

Occasionally, you may encounter issues with your cruise control systems. Common problems include cruise control not engaging or disengaging unexpectedly. Possible causes may include a faulty brake light switch, malfunctioning sensors, or issues with the control module. If you experience any problems with your cruise control, it's best to have a qualified technician diagnose and repair the issue for you.

Cruise Control and Road Etiquette

Practicing proper road etiquette while using cruise control is essential for a safe and pleasant driving experience. Here are some tips on how to use cruise control courteously:

• Avoid using cruise control in heavy or congested traffic, as it may hinder your ability to react quickly to changing conditions.
• Be mindful of other drivers when setting your speed. Avoid setting a speed that's significantly slower or faster than the flow of traffic.
• If you are in the passing lane and using cruise control, be sure to adjust your speed or temporarily disengage the system to allow faster-moving vehicles to pass.
• Always signal your intentions, such as lane changes or exiting the highway, even when using cruise control.

The Future of Cruise Control Technology

Cruise control technology plays a vital role in the development of autonomous vehicles, or self-driving cars . In autonomous vehicles, cruise control systems work together with other advanced driver assistance systems (ADAS) to enable the vehicle to operate without direct driver input. These systems include lane-keeping assist, automatic emergency braking, and collision avoidance systems.

As autonomous vehicles become more sophisticated, cruise control technology is evolving to support higher levels of automation. For example, some autonomous vehicles are equipped with advanced cruise control systems that can navigate complex traffic scenarios, merge onto highways, and even change lanes autonomously.

While fully autonomous vehicles are still in the developmental stages, the integration of cruise control technology is a big step toward creating safer and more efficient transportation systems.

As automotive tech continues to advance, cruise control systems are becoming more intelligent and capable. Here are some potential developments we can expect to see in the future of cruise control technology:

• Integration of artificial intelligence (AI) to improve decision-making and responsiveness in adaptive cruise control systems.
• Enhanced connectivity and vehicle-to-vehicle (V2V) communication, enabling cars to share information about traffic conditions and coordinate their speeds for smoother traffic flow.
• Greater customization and personalization options, allowing drivers to set preferences for cruise control behavior, such as following distance and speed adjustments.

Overall, the future of cruise control technology holds promise for creating a more seamless and enjoyable driving experience, with a focus on safety, comfort, and sustainability.

Debunking Myths About Cruise Control

Let's address and debunk some common misconceptions about cruise control:

Myth : Cruise control can be used as a substitute for driver attention.

Fact : Cruise control is a driver assistance feature, not a replacement for attentive driving. Drivers should always remain alert and ready to take control when necessary.

Myth : Cruise control increases the risk of accidents.

Fact : When used appropriately, cruise control can contribute to safer driving by maintaining a steady speed and reducing erratic driving behavior.

Cruise control is a valuable feature that can enhance your driving experience by providing comfort, convenience, and fuel efficiency. Remember to use it safely and appropriately based on driving conditions, and always stay attentive while on the road.

If you found this post informative and want to learn more about car features, driving tips, and automotive technology, be sure to subscribe to our newsletter for regular updates. We're here to help you stay informed and enhance your driving experience.

Frequently Asked Questions About Cruise Control

To further enhance your understanding of cruise control, here are answers to some common questions:

Q : Can cruise control be used in all weather conditions?

A : It isn't advisable to use cruise control in adverse weather conditions, such as heavy rain, snow, or icy roads, as it may reduce your ability to respond quickly to changing road conditions.

Q : Can I use cruise control in urban areas with frequent stop-and-go traffic?

A : Cruise control is best suited for open roads and highways with consistent traffic flow. It isn't recommended for use in urban areas with frequent stops or heavy traffic.

Q : Does cruise control work at any speed?

A : Cruise control typically has a minimum speed threshold, below which it can't be engaged. This threshold varies by vehicle, so check your owner's manual for specific information.

About the Author: This article was crafted by the LOOP Marketing Team. Comprising of seasoned professionals with expertise in the insurance industry, our team is dedicated to providing readers with accurate, up-to-date, and valuable information. At LOOP, we're passionate about helping families navigate the world of car insurance, ensuring they get the best coverage at the most affordable rates. Learn more about our mission and values here.

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Cruise Control Explained – All You Need to Know

Cruise control has come a long way since first invented and patented by Ralph Teetor in 1950, who originally named it the “Speedostat”. Chrysler Corporation was the first manufacturer to offer the groundbreaking mechanism as an option on several of its luxury vehicle models nine years later. Today, cruise control is rapidly becoming the standard on all new vehicles, providing drivers with increased convenience on their daily drive.

As you’re learning how to operate a vehicle , understanding cruise control will help increase your comfort behind the wheel and knowledge of driving.

What is Cruise Control?

Cruise control is an electronic device within your vehicle that controls the speed of your vehicle. It allows the driver to maintain a constant speed of 25 mph without holding their foot on the accelerator. Although the feature has been around for 70 years, automotive manufacturers continue to improve upon the technology to provide drivers with increased comfort, luxury, and convenience whenever they’re behind the wheel.

Different Types of Cruise Control

There are 3 types of cruise control systems.

• Speed Limiter
• Adaptive Cruise Control
• Semi-autonomous Cruise Control

What is a Speed Limiter?

A speed limiter will limit how fast the driver can accelerate behind the wheel. All modern vehicles contain a standard speed limiter capping speed between 120 mph and 180 mph depending to protect the vehicle’s engine and discourage reckless driving. However, an additional limiter can be added as an option in many European-made cars, as well as Tesla, Ford, and Nissan. Drivers are still required to keep their foot on the pedal to keep their vehicle in motion, but will not be able to accelerate past a predefined speed limit.

What is Adaptive Cruise Control?

Adaptive cruise c ontrol uses sensors around the vehicle’s exterior to maintain speed while keeping a safe following distance from the car ahead. The system will slow you down and speed you up as the flow of traffic fluctuates throughout your commute, removing a lot of the stress from daily driving. However, adaptive cruise control may not work well in bad weather or protect you from sudden movements, so you will want to always keep your full attention on the road.

What is Semi-autonomous Cruise Control?

Luxury automakers such as Tesla and Audi are implementing the newest rendition of cruise control on their latest vehicle models – Semi-autonomous Cruise Control. It works largely the same as adaptive cruise control, but assists drivers with lane guidance and steering. There are several variations of semi-autonomous cruise control that include additional convenience features for the driver.

How to Use Cruise Control – 6 Step Guide

These are the steps to using cruise control effectively.

• Observe weather conditions
• Build speed
• Engage cruise control
• Set cruise control
• Watch the road and steer
• Brake to disengage

1 – Observe weather conditions

As mentioned, cruise control may become inconsistent in rainy, snowy, or otherwise hazardous conditions. If you must drive in this situation, it may be a better idea to do so manually. Cruise control works best on a clear day with constant traffic flow.

2 – Build speed

Accelerate to your desired speed as you prepare to activate cruise control. US highways have posted speed limits between 55 mph and 75 mph. Do not attempt to set cruise control when you are traveling over the speed limit.

3 – Engage cruise control

Once you’ve reached your desired speed, engage the cruise control. This step will vary widely based on your vehicle make and model, however, many cruise control settings are accessible from the steering wheel controls. Check your owner’s manual for further information.

4 – Set cruise control

After turning on cruise control, you’ll need to set your desired speed. Many systems set the cruise control at the current speed, while others require you to manually set one. You can increase and decrease this speed as needed without interrupting the mechanism.

5 – Watch the road and steer

Watching the road is essential when cruise control is engaged. Cruise control is not a substitute for a human driver and will require supervision at every step. If you are using a semi-autonomous system, you will not need to steer but will need to keep at least one hand on the wheel for safety measures.

6 – Brake to disengage

When cruise control is no longer needed, or you need to quickly make a maneuver, simply apply pressure to the brakes to disengage the system. Once deactivated, you will be in full control of your vehicle once again.

When NOT to Use Cruise Control

While cruise control is a convenient feature for modern drivers, it is not perfect for all circumstances. In fact, utilizing the system can be quite dangerous if you’re not careful. Be sure not to use cruise control under these conditions.

Heavy Traffic

Heavy, or stop-and-go traffic is not ideal for safely using cruise control. When engaging cruise control on the highway, ensure your lane is clear and there are no vehicles stopping ahead.

Wet or Icy Conditions

You need to be driving slowly while on wet and icy roads. While cruise control keeps a constant, predetermined speed, it takes away a lot of the manual control needed to stay safe when it’s raining or snowing.

City Driving

While driving through the city, you’ll face a number of stop lights and stop signs that will require manual braking. This action will automatically disengage cruise control.

Winding Roads

Winding roads require more attention than straight, flat streets. Cruise control systems, even adaptable cruise control, may not always detect these streets correctly, causing accidents.

Fatigued Driving

Driving while fatigued is never a good idea, but even less so while using cruise control. Utilizing the system may add to your fatigue, as you give your vehicle more control of the journey. If you’re even the least bit tired, you should never turn on cruise control.

As you can see, cruise control is a great way to relieve much of the stress that comes with everyday driving. The constant rate of speed can also drastically improve fuel efficiency for longer drivers. Cruise control has had a positive impact on the driving industry for 70 years and shows no signs of disappearing anytime soon.

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How Cruise Control Systems Work

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Cruise control is an invaluable feature on Ameri­can ­cars. Without cruise control, long road trips would be more tiring, for the driver at least, and those of us suffering from lead-foot syndrome would probably get a lot more speeding tickets.

­Cruise control is far more common on American cars than European cars, because the roads in America are generally bigger and straighter, and destinations are farther apart. With traffic continually increasing, basic cruise control is becoming less useful, but instead of becoming obsolete, cruise control systems are adapting to this new reality -- soon, cars will be equipped with adaptive cruise control, which will allow your ­car to follow the car in front of it while continually adjusting speed to maintain a safe distance.

In this article, we'll learn how a conventional cruise control system works, and then we'll take a look at adaptive cruise control systems that are under development.

What Cruise Control Does

Cruise control acceleration and deceleration, controlling the cruise control, adaptive cruise control.

The cruise control system actually has a lot of functions other than controlling the speed of your car. For instance, the cruise control pictured below can accelerate or decelerate the car by 1 mph with the tap of a button. Hit the button five times to go 5 mph faster. There are also several important safety features -- the cruise control will disengage as soon as you hit the brake pedal, and it won't engage at speeds less than 25 mph (40 kph).

The system pictured below has five buttons: On, Off, Set/Accel, Resume and Coast. It also has a sixth control -- the brake pedal, and if your car has a manual transmission the clutch pedal is also hooked up to the cruise control.

• The on and off buttons don't actually do much. Hitting the on button does not do anything except tell the car that you might be hitting another button soon. The off button turns the cruise control off even if it is engaged. Some cruise controls don't have these buttons; instead, they turn off when the driver hits the brakes, and turn on when the driver hits the set button.
• The set/accel button tells the car to maintain the speed you are currently driving. If you hit the set button at 45 mph, the car will maintain your speed at 45 mph. Holding down the set/accel button will make the car accelerate; and on this car, tapping it once will make the car go 1 mph faster.
• If you recently disengaged the cruise control by hitting the brake pedal, hitting the resume button will command the car to accelerate back to the most recent speed setting.
• Holding down the coast button will cause the car to decelerate, just as if you took your foot completely off the gas. On this car, tapping the coast button once will cause the car to slow down by 1 mph.
• The brake pedal and clutch pedal each have a switch that disengages the cruise control as soon as the pedal is pressed, so you can shut off the cruise control with a light tap on the brake or clutch.

The cruise control system controls the speed of your car the same way you do -- by adjusting the throttle position . But cruise control actuates the throttle valve by a cable connected to an actuator , instead of by pressing a pedal. The throttle valve controls the power and speed of the engine by limiting how much air the engine takes in (see How Fuel Injection Systems Work for more details).

In the picture above, you can see two cables connected to a pivot that moves the throttle valve. One cable comes from the accelerator pedal, and one from the actuator. When the cruise control is engaged, the actuator moves the cable connected to the pivot, which adjusts the throttle; but it also pulls on the cable that is connected to the gas pedal -- this is why your pedal moves up and down when the cruise control is engaged.

Many cars use actuators powered by engine vacuum to open and close the throttle. These systems use a small, electronically-controlled valve to regulate the vacuum in a diaphragm. This works in a similar way to the brake booster , which provides power to your brake system.

The brain of a cruise control system is a small computer that is normally found under the hood or behind the dashboard. It connects to the throttle control seen in the previous section, as well as several sensors. The diagram below shows the inputs and outputs of a typical cruise control system.

A good cruise control system accelerates aggressively to the desired speed without overshooting, and then maintains that speed with little deviation no matter how much weight is in the car, or how steep the hill you drive up. Controlling the speed of a car is a classic application of control system theory . The cruise control system controls the speed of the car by adjusting the throttle position, so it needs sensors to tell it the speed and throttle position. It also needs to monitor the controls so it can tell what the desired speed is and when to disengage.

The most important input is the speed signal; the cruise control system does a lot with this signal. First, let's start with one of the most basic control systems you could have -- a proportional control .

In a proportional control system, the cruise control adjusts the throttle proportional to the error, the error being the difference between the desired speed and the actual speed. So, if the cruise control is set at 60 mph and the car is going 50 mph, the throttle position will be open quite far. When the car is going 55 mph, the throttle position opening will be only half of what it was before. The result is that the closer the car gets to the desired speed, the slower it accelerates. Also, if you were on a steep enough hill, the car might not accelerate at all.

Most cruise control systems use a control scheme called proportional-integral-derivative control (a.k.a. PID control). Don't worry, you don't need to know any calculus to make it through this explanation -- just remember that:

• The integral of speed is distance.
• The derivative of speed is acceleration.

A PID control system uses these three factors -- proportional, integral and derivative, calculating each individually and adding them to get the throttle position.

We've already discussed the proportional factor. The integral factor is based on the time integral of the vehicle speed error . Translation: the difference between the distance your car actually traveled and the distance it would have traveled if it were going at the desired speed, calculated over a set period of time. This factor helps the car deal with hills, and also helps it settle into the correct speed and stay there. Let's say your car starts to go up a hill and slows down. The proportional control increases the throttle a little, but you may still slow down. After a little while, the integral control will start to increase the throttle, opening it more and more, because the longer the car maintains a speed slower than the desired speed, the larger the distance error gets.

Now let's add in the final factor, the derivative . Remember that the derivative of speed is acceleration. This factor helps the cruise control respond quickly to changes, such as hills. If the car starts to slow down, the cruise control can see this acceleration (slowing down and speeding up are both acceleration) before the speed can actually change much, and respond by increasing the throttle position.

Two companies are developing a more advanced cruise control that can automatically adjust a car's speed to maintain a safe following distance. This new technology, called adaptive cruise control , uses forward-looking radar , installed behind the grill of a vehicle, to detect the speed and distance of the vehicle ahead of it.

Adaptive cruise control is similar to conventional cruise control in that it maintains the vehicle's pre-set speed. However, unlike conventional cruise control, this new system can automatically adjust speed in order to maintain a proper distance between vehicles in the same lane. This is achieved through a radar headway sensor , digital signal processor and longitudinal controller . If the lead vehicle slows down, or if another object is detected, the system sends a signal to the engine or braking system to decelerate. Then, when the road is clear, the system will re-accelerate the vehicle back to the set speed.

The 77-GHz Autocruise radar system made by TRW has a forward-looking range of up to 492 feet (150 meters), and operates at vehicle speeds ranging from 18.6 miles per hour (30 kph) to 111 mph (180 kph). Delphi's 76-GHz system can also detect objects as far away as 492 feet, and operates at speeds as low as 20 mph (32 kph).

Adaptive cruise control is just a preview of the technology being developed by both companies. These systems are being enhanced to include collision warning capabilities that will warn drivers through visual and/or audio signals that a collision is imminent and that braking or evasive steering is needed.

For more information on cruise control, check out the links below.

Cruise Control FAQ

How does cruise control work, how does adaptive cruise control work, will adaptive cruise control stop the vehicle, when would you use cruise control, how useful is cruise control, lots more information, related articles.

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When the system is set, cruise control will maintain a steady speed for your vehicle

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Your vehicle’s cruise control system unlocks numerous benefits at the touch of a button — but according to web search data, drivers still have plenty of questions about what it is, what it does, and how it works.

Don't navigate the car buying road alone!

Join our thriving community on social media and connect with other car searchers and enthusiasts.

What is Cruise Control? A Comprehensive Guide Back to video

Below, we’ll answer some of the most popular Internet search questions about cruise control, so you can make the best use of this important system.

What is Cruise Control?

With cruise control, your vehicle will maintain a steady speed when the system is set.

What is adaptive cruise control?

With adaptive cruise control, the vehicle will also automatically slow down and speed up to maintain a safe position in traffic.

How does cruise control work?

Cruise control work with a manual transmission just the same way it does with an automatic.  Drivers set their cruising speed with a button press, and the system works the throttle automatically to maintain the desired cruising speed as evenly as possible. In some vehicles with a manual transmission, pressing the clutch pedal to shift gears turns the cruise control off, requiring an additional button press to reengage it after a gear change.

In other cars with a manual transmission, pressing the clutch pedal simply pauses the cruise control system a moment, allowing drivers to complete their gearshift. When they’ve released the clutch, the cruise control picks up where it left off — no additional button press required.

Is cruise control more fuel efficient?

Yes.  Increasing your vehicle’s speed uses fuel. While cruising, even a highly competent driver who isn’t using cruise control will tend to slow down and speed up in a repeated cycle, possibly several times per minute. Though fluctuations in speed may be slight, they do cause your engine to use more fuel than required. Point is, the more time you spend at a steady speed, the less fuel your engine needs.

For most drivers, using cruise control on the highway at 80 km/h can reduce fuel consumption by about 20 per cent. For drivers who find difficulty in maintaining a steady speed and frequently experience big fluctuations, using cruise control can cut fuel use by over 40 per cent.

Depending on what you drive and how fast you drive it, using cruise control could save you between $4 and $20 per hour — based on information from Natural Resources Canada that shows most drivers who don’t use cruise control on the highway will tend to experience a 10 km/h speed fluctuation about three times per minute.

Drivers who have the most difficulty managing their cruising speed could be using 60 per cent more fuel than they need to.

Is cruise control bad for your transmission?

No.  Your vehicle’s engine, transmission and other components are designed to work hand-in-hand with its cruise control system and are extensively tested and integrated with one another for trouble-free performance.

Using cruise control also reduces wear and tear on both your engine and transmission by running things more smoothly and steadily, and reducing workload on both components.

Can you add cruise control to a car?

Yes.  Depending on the year, make and model, cruise control may be available for add-on or retrofit. Professional installation is recommended, and you’ll want to talk to a professional about the specific availability of parts and integration for your vehicle.

In many cases with modern cars, it’s generally easier and more cost effective to just opt for a unit equipped with cruise control from the factory. Cruise control is widely available as standard equipment on most modern vehicles.

Can cruise control get stuck?

Yes , but it’s extremely rare. Older cable-based cruise control systems seem more prone to this rare problem, in which the cable can slip or bind, making the throttle stick into position. More modern vehicles with electronic throttle and monitoring systems make this problem even less likely.

If the cruise control on your car fails to disengage when you want to slow down, slip the vehicle into neutral to disconnect drive power from the wheels, pull over, and address the situation.

However, chances are, you’ll never experience this problem.

When should cruise control be used?

Any time you’re trying to drive at a constant speed.  Whether around town at 60 km/h, in a residential area at 40 km/h, or out on the highway at 105 km/h, switching the cruise control on makes for a smoother and more fuel efficient drive that’s easier on your engine and transmission. it can also help you do your part to maintain the steady and efficient flow of traffic.

Most cruise control systems can be engaged at speeds above 30 km/h.

When should cruise control not be used?

Any time you can’t safely drive at a steady speed.  If the road surface is snowy, icy, slushy or very wet, you’ll want to think twice about switching your cruise control on.

In older cars, having your cruise control engaged on a wet or icy road could allow the vehicle to accelerate or experience wheelspin when driven wheels encounter a low-traction surface. Here, the cruise control system maintains throttle pressure, even in situations where it should be released instead. This could lead to a loss of control.

In more modern vehicles, electronic monitoring is used to automatically disengage cruise control when one of the following happens:

• one or more wheels slip
• one or more wheels leave the surface of the road after a major bump or dip
• the wipers are set to the maximum speed setting in heavy rain

Use your judgement. Safely navigating certain slippery or dangerous driving conditions requires careful manual control of your vehicle’s throttle, and in these situations, you’re best to leave the cruise control off.

What causes cruise control to kick off?

If the cruise control in your vehicle suddenly kicks off, a few things may be to blame.

Sometimes, cruise control disengages automatically when the vehicle’s automatic wipers detect heavy rainfall, or when a wheel spins or (briefly) leaves the surface of the road after a big bump or dip. In other situations, there may be a problem with one or more sensors or switches, including the brake pedal switch, throttle position sensor, or one or more wheel speed sensors.

Your modern cruise control system relies on various sensors and switches to do its job properly. As a failsafe, any problem with these sensors can cause the cruise control system to go offline. If you notice this happening regularly, have your vehicle diagnosed by a professional.

Will the cruise control work with an ABS light on?

Probably not.  Your car’s Antilock Braking System works hand-in-hand with your cruise control system, and any fault with the ABS system will typically take your cruise control offline until it’s fixed.

An ABS warning light in your instrument cluster can indicate one of several major problems or malfunctions, so be sure to have a professional investigate as quickly as possible.

Will cruise control apply the brakes?

No, but adaptive cruise control will.  Standard cruise control (simply called cruise control) holds your vehicle’s speed as constant as possible once set. More advanced adaptive cruise control systems use camera or radar-based sensing to determine the traffic situation in front of your vehicle, and can automatically apply the brakes to maintain a pre-set following distance.

With cruise control, drivers need to brake to slow down as they close in on a slower vehicle in traffic. With adaptive cruise control, the system makes these braking inputs automatically, and the vehicle speeds back up to its pre-set cruising speed once traffic clears.

Before you buy, be sure to determine which type of cruise control system is fitted to the car you’re considering.

What is Super Cruise?

Super Cruise is a next-level driver assistance feature available on certain GM vehicles.

With Super Cruise, the vehicle uses special GPS hardware and sensors to accurately compare its position to a 3D map of pre-qualified highways .

On these pre-qualified highways, Super Cruise allows drivers to go hands-free for extended periods as the vehicle automatically maintains its cruising speed, adjusts that speed for changing traffic conditions, and even precisely follows the curves in the road. It can even make hands-free lane changes.

Super Cruise is not an autonomous system, and in order for it to work, drivers need to keep their eyes on the road — there’s even a camera that monitors the position of the driver’s eyes to make sure they’re focused on the road ahead.

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What Is Cruise Control In A Car and How It Works

According to the research , cruise control reduces the mental workload of the driver. It reduces fatigue and increases the comfort of driving a long distance. It is also good to avoid speed violations and resists the temptation to speed up the car.

Although cruise control can be a great help on long trips by maintaining a consistent speed and freeing up the driver’s hands, it is important to remember that it is not a replacement for a driver’s attention and care. Drivers must still be vigilant in paying attention to the road and their surroundings, and be prepared to take over control of the vehicle if necessary. Additionally, drivers should periodically check the vehicle’s speed to ensure that it is still within the desired range.

Fortunately, on this page, you can learn everything you need to know about cruise control. In this powerful article, you are going to quickly learn what cruise control is in a car.

Related Post: Advantages & Disadvantages Of Adaptive Cruise Control

What Is Cruise Control In Vehicle

Cruise Control also known as speed control or auto cruise is a system that allows you to keep the car at a constant speed without holding your foot on the accelerator pedal. Technically, it is an electronic feature that reprograms the car’s setting to keep the car at a constant speed regardless of pressing and holding the foot on the accelerator pedal.

This cruise control is a kind of driving on auto-pilot mode. It automatically controls the car’s steady speed by taking the control of the throttle body. It comes in cars having a drive-by-wire system where an electronically controlled throttle body is manipulated by a cruise control computer. The cruise control computer is a small computer that you can fit under the hood or in the cabin behind the dashboard.

Related Post: Does Cruise Control Save Gas? | Confused!? Here’s A Comprehensive & Detailed Guide

In the early mechanical linkage throttle body, two cables are used for operating the cruise control, one cable goes to the accelerator pedal, and the second cable goes to the vacuum actuator to operate the throttle body for cruise control.

This vacuum actuator also pulls the cable connected to the accelerator pedal and actuates the throttle butterfly valve. Modern cruise control systems have a memory feature which means, it remembers the last time the cruise control system was canceled.

You can resume the previously canceled speed by tapping on the RES button. With the activated cruise control system, you can override the speed of the car by pressing the accelerator pedal. But once, you take the foot off the accelerator pedal, the cruise control reduces the speed until it reaches the last SET speed.

This is an Alert Some cars do not engage the cruise system below a certain speed, typically less than 40 km/h or 25 mph.

Related Post: The Ultimate Guide To Cruise Control Symbol & Adaptive Cruise Control Symbol

Frequently Asked Questions (FAQs)

The purpose of cruise control is to maintain a constant speed by automatically adjusting the throttle. This can be beneficial for the driver, as it reduces the need to repeatedly adjust the accelerator pedal. Additionally, it may help to improve fuel efficiency and emissions by reducing the amount of time the engine spends idling. However, cruise control is not without its drawbacks – it can lead to overuse of the brakes and increased wear on the tires, and it may not be suitable for all road conditions.

The cruise control feature on a car does not drain the battery. This is because the cruise control system is not continuously running when engaged, but rather it only activates when the car is traveling at a consistent speed. When activated, the cruise control system will automatically adjust the throttle and brakes to maintain a set speed, which takes very little power from the battery. Therefore, engaging the cruise control feature will not cause your car’s battery to drain any faster than if you were driving without it.

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• What is cruise control?

“Cruise control allows you to maintain a set speed without using the accelerator. Once you've selected the speed, you can take your foot off the accelerator and the vehicle will cruise at that speed.”

What Is Cruise Control

Cruise control is a feature that comes in handy when you drive at a constant speed. It is an electric system that allows you to set your car to a specific speed, letting you take your foot off the accelerator pedal. So, it can ease foot-fatigue and stress over a long drive. Another great benefit to using cruise control is that you are going to have greater fuel efficiency. Your vehicle will consume much less fuel if you cruise at a steady speed rather than accelerating at each section of the open road. When you accelerate sharply, it makes your engine use more energy, and you could be using 60%  more fuel than one who uses cruise control. Ultimately, it's not hard to save on fuel if you let your vehicle automatically maintain a steady cruising speed.

The leading edge of cruise control today is adaptive cruise control. Almost all cars now will be equipped with this smart system. Just as conventional cruise control, adaptive cruise control allows you to set a desired travel speed. But the difference is that the adaptive cruise control maintains a safe distance between the car in front of you and your car at a consistent pace by using the forward-mounted sensors. For instance, if the car ahead of your vehicle begins to slow, adaptive cruise control will use the engine brake to automatically slow the pace of your vehicle and maintain the selected distance.  Many say adaptive cruise control is a step to autonomous cars in the future. But it is not quite fully autonomous driving, since you have to keep your hands on the wheel and be fully cognizant of the road.

How To Use Cruise Control

Typically, the cruise control buttons can be found on the right-hand side of the steering wheel. Depending on the car, the location of the controls can vary, but the functionality of the cruise control will usually be similar across the board. Here are the basic buttons you can use to operate cruise control.

ON/OFF : To set the cruise control, press the ON/OFF button. You will see the cruise light illuminate on the dashboard which means the system is activated. To turn the system off, press this button again.

Res + : Press this button if you want to increase the cruising speed. Each time you hit the button, the vehicle will accelerate by 1 mph. You can also use this button to resume your previously set speed.

Set - : This button will decrease the set speed. Each time you press the button, the cruising speed will decrease by 1 mph. Once you reached the desired speed, hit the “Set” button and the “Cruise Set” icon will appear on the dashboard. Then you can take your foot off the gas pedal and the car will maintain the speed for you.

Cancel : When it's time to cancel the cruise control mode, like when you exit the highway or if there is heavy traffic ahead, press this button to disengage the cruise control system. Or you can simply depress the brake pedal to cancel the system.

Safety Tips for Using Cruise Control

However smart the cruise control may be, there are some situations where you SHOULD NOT use the feature altogether. Here are some golden rules to live by when it comes to using your cruise control.

• On wet roads, it could be dangerous to use cruise control. It will be less effective in the rain, and cruise control may upset the balance and reaction times under rainy conditions.     
• During rush hour, it is a good idea to leave the cruise system off. With conventional cruise control, you will have to continuously turn it off when traffic slows down and you can get into an accident if you are distracted while it is active.
• On challenging winding roads, you should not use cruise control. Note that cruise control is primarily designed to enable you to cruise on the highway at a set speed. If you are not doing so, it is best not to use it.

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Meaning of cruise control in English

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• Having just done the trip in my new car with cruise control , I have to say that it was much less tiring .
• Cruise controls have a switch to toggle them off when you touch the brake pedal .
• A four-wheel drive vehicle that was stuck in cruise control at 80 km/h took its driver on a terrifying drive for more than 50 kilometres .
• I don't even notice I'm running ; it's like being in cruise control .
• On the new album , their second full-length collaboration , the two are once again on cruise control .
• biting point
• carburation
• carburettor
• distributor
• exhaust pipe
• internal combustion engine
• manual transmission
• water-cooled

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• Dashboard Warnings

What Does Cruise Main Mean in a Car? Everything You Need To Know!

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Have you recently heard someone using the term Cruise main and wondered what it means? If yes, you are not alone. Not many drivers and car users know of this expression, but once you get the hang of this feature, there is no turning back. 

A cruise main is a switch for the control system in your vehicle that maintains a steady set speed using an electric throttle. This speed also goes by the name cruising speed, hence the name cruise main. 

Once you switch your car to the cruise main mode, this mode will automatically begin its operation and adjusts the speed of your vehicle to set a cruising speed. With the cruise main engaged in your car, you can maintain the set speed even without pushing the pedal. 

We have compiled a comprehensive guide for you explaining the meaning of cruise speed, its working, when to use this mode, and what are the situations where this mode should be avoided, along with some additional information you would love to know about the cruise main system in your vehicle. 

We will also take you through some advantages of using the cruise main system and some safety tips to help you along the way. 

What Is the Meaning of Cruise Main?

The cruise main, as mentioned above, is a control system in the car that is concerned with adjusting the car’s speed and making it move at a set speed without having to press the pedal. Though this is what a beginner like you needs to know about the cruise main term, let us clarify one thing here. 

Cruise Main is actually the button that’s used to turn on and off the cruise control system. The main system, however, cannot function completely just by pressing the cruise main button. You have to set the other settings of the system, decide on the speed, and perform multiple other operations before you can finally use this system. 

You can use the cruise control system to adjust the vehicle’s speed, which enables you to maintain a steady speed that you can set without using the electronic throttle’s input. 

In current times, you can find cruise control as a major part of standard car equipment, and it has only come with lots of positives. Thanks to this system, long hours of drives would no longer tire you as such, and you can relax a bit and stop caring about constantly looking at the tachometer for the speed limit adjustments. 

A Little History of Cruise Control System 

To explain the cruise control system better, let us take a peek into its history. The first ever cruise control system was invented back in the 1940s by Ralph Teetor. However, this was not the first time it was used in car production. In the year 1965, American Motors produced the first car featuring the cruise control system. 

But it took over a decade for this system to gain popularity, especially when, in 1973, the fuel prices increased, and manufacturers started considering cruise control systems to save up on fuel costs. 

Today, we can find the adaptive cruise control system in most vehicles that are used to maintain a constant car speed and can help you on long journeys. The best part about this system is the great efficiency it offers. 

For instance, if a car at a slow speed gets in front of you while driving on the road, the cruise control system will automatically reduce your car’s speed. Similarly, it works to adjust the speed of your vehicle according to the speed limit. 

Working of the Cruise Control System 

The modern cruise control system comes on the engine control unit of the vehicles. As all the controls of this system feature electronic transmission, including brakes, steering, and throttle, there is no need for additional components. The only manual controls you need are buttons and the basic driver controls. 

Though now this system is electronic, this wasn’t the case during the early days of the cruise control system. Earlier, this system featured drive-by-wire throttle bodies, and the entire system was cable-operated. 

The cable network was such that one wire went from the pedal to the throttle body for the person in the driving seat to control the throttle. However, the leading cruise control cable reached the throttle body via the electric motor. 

Later on, the cruise control motor goes to the tachometer and the control unit of the vehicle’s engine. This was followed by the electric body’s opening and closing of the throttle body while keeping an eye on the tachometer data once the speed was set. 

How to Use Cruise Control? 

Now that you know how the cruise control system works, let us take you through the entire process you need to know to use this system on your vehicle. 

As mentioned earlier, the main button to turn on this system is Cruise Main, but this is not the only control you need to switch on for moving your car to the cruise control system. Here we have listed all the controls and buttons you need to know of to use the cruise control system effectively. 

• As we have discussed before, the Cruise Main button is used to turn the cruise system on and off and has nothing to do with the cruise speed. 
• As evident by its name, the Set button is concerned with setting the acceleration and the deceleration. This control is used for setting the speed for the cruise control system, the speed you want to travel with at any given instant. 
• The Res button isn’t found in all cars, making it evident that it doesn’t have a crucial role in the cruise control system. This button is used to reset the previous speed of your cruise control system. On pressing this button, your system will become a plain canvas for you to set the new speed you want. 
• The last two buttons of the cruise control system are named either “accel” and “decel” or “+” and “-.” in addition to the Set button, these also deal with controlling the acceleration and deceleration. However, both these buttons are used once you have set the speed using the Set button. 
• By pressing any of these two buttons, you will i ncrease or decrease the cruise speed by 3 to 4 mph. 
• In the end, you can push the Cruise Main button once again to stop the working of the whole cruise control system. 

Why Use the Cruise Control System? 

Though the cruise control system doesn’t have any apparent harm, and all you can notice when first hearing about this system are the positives it brings to the table, some people still contemplate using this speed control system on their vehicles. 

If you are also one of them, we have listed some major benefits of using this system. These benefits might help you make the final decision. 

Maintain Constant Speed 

One significant benefit you will get while using the cruise control system. No one loves to drive for long hours on straight and boring roads. The worst part is that you can’t even fall asleep during this long journey if you have gotten hold of the driver’s seat. 

But don’t worry, using the cruise control system; you can now leave the car to move on the road on its own as this system will adjust the speed depending on the road conditions and the surroundings, allowing you to relax. 

Fuel-Efficient 

One of the main reasons you should consider using the cruise control system is its fuel efficiency. As we have mentioned in the history part, one of the things that got the cruise system all the fame and popularity it has now is the time when the fuel prices were increased, and manufacturers moved towards this for its fuel efficiency. 

Your engine will use the same fuel level when you drive at a constant and steady speed. Using the cruise control system, the speed can be adjusted, changing the fuel level being used, thus causing a significant reduction in fuel costs. 

No Speeding Tickets 

If you don’t want to get speeding tickets just because you have lost sight of the tachometer, the cruise control system is something you need to consider. As for this system, the speed is controlled by the machine itself with the help of different sensors; there are very few chances for you to get a speeding ticket. Isn’t it great? 

Turning Off the Cruise Control 

If this is your first time using the cruise control system, and you have no idea how to turn it off, here are the steps you can follow. 

• Press the brake pedal, and the cruise control system will stop working. 
• You can also press the Cruise Main to turn off the cruise control system. 

Increasing the Cruising Speed 

Following are the steps you need to go through to increase the cruising speed of your vehicle. 

• Hit the “SET” button and hold it for a few seconds. 
• Your vehicle’s speed will begin accelerating. Once it reaches the desired speed, let go of the “SET” switch. 
• Now, press the “SET” button and let go of it immediately to adjust the preset speed. 

You can also increase the cruising speed using the accelerator pedal. Here is what you need to do for this: 

• Press the accelerator pedal and wait till your vehicle reaches the desired speed. 
• Once the desired acceleration is reached, let go of the accelerator pedal. 

You have successfully increased the cruising speed of your vehicle. 

Decreasing the Cruising Speed

Here is what you need to follow to reduce the cruising speed: 

• Once you have set the cruising speed for your vehicle and your vehicle is moving at that speed, press “SET” and hold it. 
• Wait till your car decelerates to the desired speed and release the “SET” button. 
• Hit the “SET” switch and let go of it immediately to adjust the preset speed. 

How To Cancel the Cruise Control System Temporarily? 

If, during your long driving journey, you want to turn off the cruise system temporarily, here is how you can do this: 

• Press the brake pedal slightly and wait for a few seconds till the system turns off. 
• You can also press the “CANCEL” switch to turn off the cruise control system. 
• When you want to turn it on again, simply hit the “RESUME” button. 

Cruise Control Safety Precautions 

Though the cruise control system is harmless for the most part, there are still some precautions and safety tips you need to pay heed to avoid any mishaps. Here are some of the cruise control system safety precautions for you to save yourself from any unfortunate events: 

Avoid Overspeeding 

One of the first things you need to keep in mind while using the cruise control system is the cruising speed. Though this system is efficient and packed with highly responsive sensors, setting the vehicle at a steady speed is still recommended. Ensure that you are not accelerating the car too much, as this can lead to accidents. 

Not In Corners 

If you are moving your car mainly in the corners of the road, no matter how much you are sure of it, it’s hard to control the vehicle’s speed. In this case, you might as well have to make a lot of adjustments in the cruising speed, which is why it’s best not to use the cruise control system when in corners. 

Don’t Drive On Slippery Roads 

Avoid using the cruise control system if the road you are driving on is too slippery. It’s because, to work effectively, this control system needs to determine the available friction on the road, which is nearly impossible if the road is slippery. 

Don’t Sleep 

As we have mentioned in the benefits part, you can relax using the cruise control system while in the driver’s seat, but this doesn’t mean you can take a nap. Though most drivers are tempted to take a short nap, considering the risk trackers on the cars and the high efficiency of the cruise control system, it’s still not something experts recommend. 

Conclusion – What Does Cruise Main Mean in a Car?

In this guide, we have explored the meaning of the cruise main and the cruise control system in detail. We have also taken you through all the steps you need to go through for setting up or using the cruise control system, along with some simple steps for increasing and decreasing the cruising speed. 

We have also listed some of the main advantages of using the cruise control system and some precautions to pay heed to while doing that. Hopefully, this guide has answered all your questions regarding the cruise control system, and you are now fully prepared to tune your car into this mode. 

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Definition of cruise

 (Entry 1 of 2)

intransitive verb

transitive verb

Definition of cruise  (Entry 2 of 2)

• gad (about)
• galavant
• kick around
• knock (about)

Examples of cruise in a Sentence

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cruise.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Dutch kruisen to make a cross, cruise, from Middle Dutch crucen , from crūce cross, from Latin cruc-, crux

1651, in the meaning defined at intransitive sense 1

1696, in the meaning defined above

Phrases Containing cruise

• adaptive cruise control
• booze cruise
• cruise control
• cruise liner
• cruise missile
• cruise ship
• radar cruise control

Dictionary Entries Near cruise

Cite this entry.

“Cruise.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/cruise. Accessed 8 Sep. 2024.

Kids Definition

Kids definition of cruise.

from Dutch kruisen "to cruise, move crosswise," from early Dutch crūce "cross," from Latin crux "cross" — related to cross , crucial

More from Merriam-Webster on cruise

Nglish: Translation of cruise for Spanish Speakers

Britannica English: Translation of cruise for Arabic Speakers

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Auto insurance rates are jumping the most since the 1970s, but there could be relief soon

Soaring auto insurance costs have been a principle driver behind inflation over the past year, but there could be relief on the way, according to Bank of America.

The bank’s economists see several driving factors behind the run-up in costs to ease in the months ahead, possibly taking some of the heat off a category that has  pushed the Federal Reserve  to keep up its inflation fight.

“The turbocharged increases in motor vehicle insurance premiums are a response to underwriting losses in the industry. Insurers saw losses,” BofA economist Stephen Juneau said in a note. However, he added, “There are signs that many insurers are getting back to profitability.”

Primarily, the hit to insurers, which has been passed on to consumers, arose from three sources: higher vehicle prices, increased costs for repairs and “more accidents as driving trends returned to normal,” Juneau said.

There’s some good news on that front.

Sales prices for new and used vehicles have been trending lower in recent months and are down 0.4% and 6.9%, respectively, on a 12-month basis, according to  Bureau of Labor Statistics data  through April. Also, repair and maintenance services costs were flat in April though still up 7.6% from a year ago.

Motor vehicle insurance costs, though, continued to soar.

The category rose 1.8% in April on a monthly basis and was up 22.6% from a year ago, the largest annual increase since 1979, according to Bank of America.

In the CPI calculation, auto insurance has a weighting of nearly 3%, so it’s a significant component.

The recent trends probably do not “mean that your premium will fall, but we think the rate of increase should slow,” Juneau said.

That has been the general story with inflation: prices are not falling, but the rate of increase is well off the pace of mid-2022 when inflation hit its highest level in more than 40 years. Overall  CPI inflatio n ran at a 3.4% annual rate in April.

There’s one other tidbit of good news when it comes to Fed policy.

The central bank’s primary inflation barometer is the Commerce Department’s measure of personal consumption expenditures, not the consumer price index from the BLS. In the PCE gauge, auto insurance has a smaller weighting, meaning it is less of an inflation driver.

If the BofA forecast for insurance disinflation is accurate, it could at least give the Fed more confidence to start cutting rates later this year. Current market pricing is indicating an expected first cut in September, with one more possible before the end of the year.

“We think further improvement in this aggregate is one key for the Fed to become more confident in the disinflationary process and start its cutting cycle,” Juneau said. “Until then, we expect the Fed to keep rates in park.”

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Jeff Cox is a finance editor with CNBC.com where he covers all aspects of the markets and monitors coverage of the financial markets and Wall Street. His stories are routinely among the most-read items on the site each day as he interviews some of the smartest and most well-respected analysts and advisors in the financial world.

Over the course of a journalism career that began in 1987, Cox has covered everything from the collapse of the financial system to presidential politics to local government battles in his native Pennsylvania.