See also:

Indication in the info display
The information from the computer is shown in the Info display in the instrument cluster. ...

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 ...

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...