See also:

Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...

Pairing/unpairing the mobile phone
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. ...