See also:

Problems with the rear window defroster
The rear window defroster has deactivated itself prematurely or cannot be activated. - Switch off any consumers that are not required, e.g. reading lamps or interior lighting. When the battery ...

Activating/deactivating
WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. The rear window defroster ...

Calling a number stored in an entry
Using the phone book Select Name in the telephone basic menu by sliding and turning the COMAND controller and press to confirm. Call up the contact. Contact with multiple telephone n ...