See also:

Tires
Display messages USA only: The yellow tire pressure monitor warning lamp (pressure loss/ malfunction) is lit. Possible causes/consequences and ► Solutions Risk of accident The tire ...

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...

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 h ...