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If you need to adjust the speed, use the buttons on the dashboard or steering wheel to make minor changes. We’ll cover how to set the cruise control system, how to switch it on and off, and how to adjust the speed. This factor helps the cruise control respond quickly to changes, such as hills. In the picture above, you can see two cables connected to a pivot that moves the throttle valve.
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Slowing down is akin to taking your foot off the gas and won’t slow the car as fast as applying the brake. When decelerating using the cruise control, give yourself adequate time to change speeds or use the brakes to slow down and hit the “set speed” button again. 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. 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.
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General Motors’ Super Cruise system is available in select Cadillac models and provides hands-free driving assistance on compatible highways. It uses LiDAR map data, high-precision GPS, and a driver attention system to ensure safety. Unlike Tesla’s FSD, it’s limited to highway use but excels in hands-free driving comfort and safety. This modern feature uses sensors and radar to maintain a safe distance from the vehicle ahead, adjusting speed automatically. Discover expert insights and practical tips on using cruise control effectively.
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In fact, utilizing the system can be quite dangerous if you’re not careful. 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. After turning on cruise control, you’ll need to set your desired speed.
Once the cruise control is active, you’ll need to use your gas or brake pedal to bring the car to the speed you want and then use the “set speed” button to lock in your speed. Once familiar with your car’s cruise control system, you can try it out. Wait for a moment when it’s appropriate to use cruise control before turning it on. Check that the road is clear, that weather conditions are good, and that you’re on a highway or a road where you won’t have to stop or change speed often. If conditions are right to use cruise control in your car, turn on the system.
Wet or Icy Conditions
One cable comes from the accelerator pedal, and one from the actuator. In heavy traffic, on winding roads, going downhill and when approaching a bridge. The primary function of cruise control is to make driving more comfortable, but by smoothing out acceleration and deceleration you can save fuel too. Cruise control is an electronic system that enables you to fix a vehicle’s accelerator on a specific speed, so you can take your foot off the pedal.
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. 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. Adaptive cruise control 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.
What is adaptive cruise control?

Mercedes-Benz DRIVE PILOT system pushes towards Level 3 autonomy, allowing drivers to hand over control under certain conditions, like heavy traffic or on highways. It uses a sophisticated array of sensors and cameras, offering a smooth and intuitive driving experience. It’s more advanced than traditional systems but still requires driver attention.
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Explaining tech: Adaptive cruise control - The Globe and Mail
Explaining tech: Adaptive cruise control.
Posted: Tue, 19 Jun 2018 07:00:00 GMT [source]
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.
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Once engaged, use “CANCEL” to turn it off or the brake pedal to deactivate it. 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. 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.
It’s not just a cruise control system but an advanced driver-assistance system capable of navigating complex driving scenarios. Key features include automatic lane changes, stop sign and traffic light recognition, and the ability to navigate city streets. While it offers substantial automation, it still requires driver supervision and isn’t fully autonomous. To use cruise control on a Hyundai Tucson, press the “CRUISE” button on the steering wheel, accelerate to the desired speed, then press “SET-” or “SET+” to activate the cruise control.
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). Bad weather that affects road surface traction or visibility may impact its performance. Also, if the forward-looking camera or radar sensors, if equipped, are obstructed in any way, the system will not perform as expected. Adaptive Cruise Control systems may not perform as expected where lighting is poor or when following vehicles with unusual shapes. According to the Department for Transport, driving at a steady speed of 50 mph instead of 70 mph can improve fuel economy by 25%.
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 is one feature you’ll want from a good car for road trips and other frequent highway driving.
Additionally, it provides relief for the driver’s right foot, particularly during long drives, resulting in a more comfortable driving experience. By becoming proficient at using cruise control, drivers can optimize their Hyundai Tucson driving experience and enjoy the various advantages it offers. 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.
It can not only potentially help you get better gas mileage but also make driving much more comfortable. For example, some cars have a combined button to set the initial speed and accelerate. Others have fine-tuning buttons that you can click to increase or decrease your speed by a set amount, often one mph. This comparison highlights the diversity in cruise control technologies, illustrating how each brand tailors its system to specific driving experiences and safety standards.
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