See also:

Cruise control
The conceptYou can use the cruise control feature beginning at approx. 20 mph/30 km/h. The car then stores and maintains the speed that you specify using the lever on the steering column. Do not ...

HDC Hill Descent Control
The concept HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without applying the brakes, the vehicle moves at slightly more than walking ...

The concept
The system is functional at speeds beginning at approx. 20 mph/30 km/h. It maintains the speed that was set using the control elements on the steering wheel. The system brakes on downhill gradie ...