Engine oil
See also:
Adjusting the volume
Turn the knob during an announcement.
The volume remains constant even if the
volume of other audio sources is changed.
The volume is stored for the remote control
currently in use.
Not ...
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 ...
Shoulder support
Also supports the back in the shoulder area:
▷ Results in a relaxed seating position.
▷ Reduces strain on the shoulder muscles. ...
