See also:

Volume of spoken instructions
Turn the volume button while giving an instruction until the desired volume is set. The setting is stored for the remote control currently in use. ...

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 ...

Rear window defroster
Press the button. The rear window defroster switches off automatically after a certain period of time. Depending on the vehicle equipment, upper wires are used as an antenna and are not part of ...