See also:

Active cruise control
With active cruise control you can select a desired speed which is then automatically maintained when driving on open roadways and is varied to maintain a selected distance setting to slower m ...

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without requiring brake application, the vehicle moves at slightly more than twice wa ...

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. ...