See also:

General information
The channels are offered in predefined packages. The packages must be enabled by telephone. ...

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...

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 ...