See also:

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. The PDC is shown on the Control Display. Switch on the backup camera via the iDrive. ...

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

Weights
Never exceed either the approved axle loads or the gross vehicle weight. ...