See also:

Adjusting the volume
Turn the knob until the desired volume is selected. The setting is stored for the remote control currently in use. ...

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

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...