See also:

General notes
If you cannot lock or unlock the vehicle with the SmartKey, either the battery in the SmartKey is discharged, the SmartKey is faulty or the starter battery is discharged. Check the battery in ...

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 ...

General notes
The roller sunblinds shield the vehicle interior from sunlight. The front roller sunblind can only be opened and closed when the panorama roof with power tilt/sliding panel is closed. The fron ...