See also:

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 ...

Tires
Due to technical factors associated with their manufacture, tires do not achieve their full traction potential until after an initial breaking-in period. Drive conservatively for the first 200 mi ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...