Adaptive Cruise Control (ACC) is an extension of the conventional cruise control system with advanced capabilities based on a radar sensor. When ACC is activated, the vehicle automatically brakes and accelerates in a speed range set by the driver. If the vehicle approaches a slower vehicle, the ACC brakes the car to the same speed and maintains the [..]

A laser- or radar-sensing cruise control system that causes a vehicle to automatically slow or stop in order to avoid front-end collisions.

One step beyond cruise control, adaptive cruise control uses a radar sensor mounted in the front of the vehicle to maintain a safe cruising distance between your vehicle and the vehicle in front of yo [..]

A system that will maintain the speed you set, but will slow down to account for slower cars ahead of you, meaning you can relax a bit more behind the wheel. Usually works using radar.See What is adaptive cruise control?

ACC can accelerate and brake a car autonomously. With the help of a radar sensor, the system maintains both the driver’s chosen speed and a programmed safe distance to the vehicle in front. This helps [..]