See also:

Safety information
The tire characteristics and tire inflation pressure influence the following: ▷ The service life of the tires. ▷ Road safety. ▷ Driving comfort. ...

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...