See also:

Malfunction
A message is displayed in the instrument cluster. HDC is not available, e.g., due to elevated brake temperatures. ...

Diagnosis OBD
On the driver's side is an OBD socket for checking components relevant to the composition of the vehicle's emissions. ...

All around the steering wheel
1 Seating comfort functions* Gentleman function* Seat, mirror, steering wheel memory* Active seat* 2 Roller sunblind* for rear window 3 Safety switch for the windows and the roller sun b ...