See also:

Snow chains
Fine-link snow chains Only certain types of fine-link snow chains have been tested by the manufacturer of your vehicle, classified as road-safe and recommended. Consult your service center for mor ...

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. ...

Deleting all stored programs
Press the two outer memory buttons for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually ...