The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Backup camera
The concept
The backup camera provides assistance in parking
and maneuvering backwards. The area behind
the vehicle is shown on the Control Display. ...
Playing music
Music search
All tracks for which additional information has
been stored can be accessed by the music search. Tracks without additional
information
can be called up via the corresponding album,
...
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
