See also:

Front airbags
Front airbags help protect the driver and front passenger by responding to frontal impacts in which safety belts alone cannot provide adequate restraint. ...

Switching on automatically
Select transmission position R with the engine running. The backup camera image is displayed if the system was switched on via the iDrive. ...

Priority options
The driver has priority The source selected via iDrive in the front is output on the vehicle loudspeakers and can be selected but not operated from the rear. Other audio or video sources ...