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

See also:
Using the door lock
General information
Locking from the outside
Do not lock the vehicle from the outside if
there are people in it, as the vehicle cannot be
unlocked from inside without special knowledge.◀ ...
Park Distance Control PDC
The conceptThe PDC assists you with maneuvering in tight parking spaces. Acoustic signals
and a visual indicator warn you of the presence of an object behind your vehicle.
Four ultrasonic sensors ...
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
...
