See also:

The concept
HDC is a downhill driving assistant that automatically controls vehicle speed on steep downhill gradients. Without the brakes being applied, the vehicle moves at slightly more than twice walki ...

Maintaining/storing the speed
Press the button. When the system is switched on, the current speed is maintained and stored as the desired speed. It is displayed in the speedometer and briefly displayed in the instrument c ...

Locking
▷ Press the button. The doors are locked. ▷ Press the lock button of a door. To prevent you from being locked out, the opened driver's door cannot be locked using the lock button. ...