See also:

Important safety notes
Your vehicle may be equipped with a sliding sunroof or a panorama roof with power tilt/ sliding panel. In the following section, the term "sliding sunroof" refers to both types of sl ...

Radiator
Vehicles with a diesel engine: do not cover the radiator, for example with a winter front or bug cover. Otherwise, the readings of the on-board-diagnostic system may be inaccurate. Some of the ...

General information
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 ...