See also:

Updating the navigation data
General information Navigation data are stored in the vehicle and can be updated. Navigation data and authorization codes are available from your service center. ▷ Depending on the data v ...

Volume
▷ "Speed volume": speed-dependent volume control. ▷ "PDC": volume of the PDC signal compared to the entertainment sound output. ▷ "Gong": volume o ...

Remove unnecessary cargo
Additional weight increases fuel consumption. ...