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

See also:
Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for
approx. five seconds.
2. "OK" ...
Pinch protection system
If the closing force when closing the glass sunroof
exceeds a certain value, the closing movement
is stopped, beginning at approximately the
middle of the opening in the roof, or from the
tilt ...
After washing the vehicle
After washing the vehicle, apply the brakes
briefly to dry them; otherwise, braking action can
be reduced and corrosion of the brake discs can
occur. ...
