See also:

Tone control
You can alter various tone settings, e.g. treble and bass or the speed-dependent volume increase. The tone settings are applied to all audio sources. The settings are stored for the remote control ...

Setting
Pull the switch. The LED lights up. The indicator lamp lights up in red. The parking brake is set. Lower lamp: indicator lamp in Canadian models Set the parking brake and further secur ...

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 ...