A guide to adaptive cruise control RAC Drive
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While ACC handles long boring highway drives, crowded city streets require an entirely new level of autonomous driving expertise. Aftermarket systems provide a taste of ACC and advanced driver assist capabilities. But overall, OEM automaker ACC integration delivers a smoother and more reliable driver experience. For example, the Hyundai Elantra SEL ($22,795 with destination fee) offers its Smart Cruise Control with Stop and Go in its optional Convenience Package ($1,900). It also includes forward collision warning with automatic emergency braking, Junction-Turning Detection, navigation, wireless phone charging, heated front seats, and more.
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Systems with multiple sensors can practice sensor fusion to integrate the data to improve safety and/or driving experience. GPS data can inform the system of geographic features such as a freeway offramp. A camera system could notice driver behavior such as brake lights and/or a turn signal. There continues to be plenty of confusion about self-driving or autonomous systems, what they are, and how they operate. However, the major difference between adaptive cruise control and a self-driving system is, ACC is simply a component of a driverless system.
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Conventional cruise control uses its computer to maintain a speed determined and manually set by the driver with no awareness of or regard for surrounding traffic and conditions. Capable of responding to topographical changes, like going up and down hills, the computer increases throttle pressure or engages the engine brake to maintain the preset speed. Also note that while adaptive cruise control may be the most common name, it can also be referred to as active cruise control, autonomous cruise control, radar cruise control, and intelligent cruise control. Whatever term you use, there is no denying that this innovative technology is changing the way cars are driven. ” is a question on the minds of many drivers and many of our customers.
Real World ACC Performance
Each system is slightly different, which means there will always be a learning curve every time you use a different vehicle equipped with ACC. Yes, many modern Adaptive Cruise Control systems come with stop-and-go technology that can bring your vehicle to a complete stop and then resume driving when traffic starts moving again. The more technologically-advanced adaptive cruise control, constantly adapts to the road in front of you, meaning you’ll always be able to stay a safe distance between yourself and the car in front. ACC is also known as autonomous cruise control, active cruise control, intelligent cruise control and radar cruise control. But regardless of what it’s called, it’s becoming an increasingly common feature in new cars.
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On many older cars and some lower-end current models, the adaptive cruise control system only operates above a threshold speed, often 30km/h or 50km/h. When a car comes into the shop, techs need to know when to order or perform ADAS calibrations. If calibrated incorrectly, ACC systems may have following distance settings that drivers aren’t used to. They can also make the systems overly sensitive, or not sensitive enough.
“Low-speed follow” is not allowed
Usually, the factory offers three or four choices from which you can pick. A graphic on the driver information screen displays a representation of the changing minimum distances as you use the button to scroll through them. More advanced systems, sometimes labelled “all speed“, work from any speed and can bring the car gradually to a complete stop, but require the driver to press a button or touch the accelerator to start the car rolling again. However, drivers who can’t stand the anticipation can now get a taste of what’s to come – in the form of adaptive cruise control (ACC). While ACC is designed to increase safety and convenience, it is most effective in steady traffic conditions on highways or well-marked roads. It is not recommended for use in city driving, in adverse weather conditions, or on roads with poor lane markings as these factors can reduce the system’s effectiveness.
When you set cruise control, you can select from up to four present following distances. EyeSight watches ahead and if it detects traffic is slowing, adaptive cruise control adjusts your speed accordingly to keep your selected distance. Once traffic starts moving faster, it can automatically accelerate back up to your set speed. Not only does adaptive cruise control keep you safer by making you a more cautious driver, but it also helps you stay more comfortable in different driving conditions.
To help you recognize ACC features, here are four automaker examples. Bear in mind though models that come with ACC are more expensive, which can mean an extra grand or two on the price of a new car – so it’s worth thinking about how often you would actually use the system if you had it. Having ACC does not negate the drivers responsibility to drive safely.
Do I need to keep the camera and radar sensors, if equipped, clean?
In the past 25 years, huge leaps in sophistication propelled cruise control to a point where some drivers may be confused by exactly what it is and how it works. Here, we will clear up any confusion about its functions, benefits, and limitations to help you on your car buying journey. Common alternatives to the phrase adaptive cruise control include active cruise control, smart cruise control, dynamic cruise control, radar-guided cruise control, or some amalgam of these words. Adaptive cruise control is a natural, useful extension of cruise control, where you set a speed and the car maintains it until told otherwise, such as when the brakes or cancel button are pressed. If the vehicle ahead slows down or someone cuts into your lane, the car eases off the accelerator or uses the brakes to slow down and keep an appropriate distance.
If the vehicle ahead shoots ahead suddenly, your car won’t follow suit. Instead, it will stick to the speed you have previously set, unless it catches up to another car in front. To find out if your vehicle has this feature, contact your dealer or refer to your vehicle’s equipment list. Please check your Owner’s Manual for more information about features.
This technology is powerful, and it's beginning to show up on more vehicles as standard features, too. Otherwise, we highly recommend using this feature as it’s extremely useful in almost any driving situation and there’s an added bit of safety as well. Some will bring the car to a complete stop, and then re-accelerate when the traffic starts to move again.
In traffic jams, the car will handle all the slowdowns without you having to constantly adjust your speed. When traveling on long-distance road trips, the car will help you slow down and speed up when other vehicles are going slower than your cruise control speed setting. The technology also helps you avoid hitting other people if you get distracted while driving. Adaptive cruise control is a special safety feature that enables your vehicle to control its speed and select other features some of the time. This feature lets your car slow down when necessary to avoid collisions or when your vehicle is too close to the other drivers on the road.
This is really helpful while driving on the highways and during traffic jams. The system depends on sensors to figure out what's going on, and they combine with internal electronics to keep your car under control and help you stay a healthy distance from other vehicles, no matter where you're driving. Traditional cruise control, which was first introduced in the 1960s, enables you to drive at a set speed without keeping your foot on the accelerator. Adaptive cruise control, on the other hand, automatically reacts and adjusts to what is happening in front of your car. You can maintain a set speed until something ahead (usually slower-moving traffic) causes the system to accelerate or put on the brakes. Traditional cruise control is still appropriate for long, less crowded highways, while ACC is ideally suited for driving on busier roads with a lot of traffic.
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