Multi-channel playback,surround
Choose between stereo and multi-channel playback, surround.
Setting multi-channel playback, surround
1. "CD/Multimedia", "Radio" or "Settings"
2. "Tone"
3. "Surround"

When surround is activated, multi-channel playback is simulated when a stereo audio track is played.
See also:
Volume
► "Speed volume": speed-dependent volume
control.
► "PDC": volume of the PDC signal compared
to the entertainment sound output.
► "Gong": volume of ...
Audio playback
Selecting the track using the button
Press the button for the appropriate direction
as often as necessary until the
desired track is played back.
Selecting the track using the iDrive
Audio C ...
Detailed information on service
requirements
More information on the scope of service required
can be displayed on the Control Display.
1. "Vehicle Info"
2. "Vehicle status"
3. "Service required"
Required mai ...
