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

See also:
Image on the Control Display
Switching on the rear view camera using iDrive
With PDC activated:
"Rear view camera"
The image of the rear view camera is displayed.
The setting is stored for the remote control curren ...
Avoiding unintentional alarms
The tilt alarm sensor and interior motion sensor
can be switched off together, such as in the following
situations:
▷ In duplex garages.
▷ During transport on car-carrying trains, at ...
CD/Multimedia
CD/DVD drive
Music collection
External devices
Tone
...
