See also:

Camera
The camera is located near the base of the mirror. Keep windshield clean and clear in the area in front of the interior rear view mirror. ...

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 ...

Switching on/off manually
Switching on/off manually Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. If PDC is displayed, switch on the backup camera via the iDrive ...