See also:

Other bulbs
There are bulbs other than the Xenon bulbs that you cannot replace. Replace only the bulbs listed. Have the bulbs that you cannot replace yourself changed at a qualified specialist workshop. ...

Important safety notes
WARNING Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving, or driving without the steering wheel adjustment feature locked could cause the driver to ...

Cleaning the trailer tow hitch
The ball coupling must be cleaned if it becomes dirty or corroded. Remove rust on the ball of the ball coupling, e.g. with a wire brush. Remove dirt with a clean, lint-free cloth or a brush. A ...