See also:

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

Tone
Only treble and bass can be set in the rear. The settings are made separately for the left and right headphones. Operation is the same as for the front 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. ...