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 ...

Message memory
The on-board computer saves certain display messages. You can call up the display messages in the message memory. •► Press the button on the steering wheel to select the Serv. menu. If ...

On-board diagnostics interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while drivin ...