Activation/deactivation

Press the button.
See also:
Adjusting
Vehicle
Equipment
...
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" ...
General information
The following functions are available:
▷ Use of a mobile phone as a telephone.
▷ Use of a mobile phone as an additional telephone.
▷ Use of a mobile phone as an audio source.
...
