See also:

Closing
1. Return the rear seat backrest to the upright seating position and engage it. Ensure that the lock is securely engaged When folding back the backrest, be sure that it locks in place securel ...

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 ...

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...