See also:

Important safety notes
WARNING Never switch off the engine while the vehicle is in motion. There is no brake boost for the service brake if the engine is not running. If the ignition is switched off, there is also ...

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

SmartKey
Display messages Key Does Not Belong to Vehicle Possible causes/consequences and ► Solutions You have put the wrong SmartKey in the ignition lock. ► Use the correct SmartKey. Disp ...