See also:

"Coupling up a trailer" function
This function is only available on vehicles with a trailer tow hitch. 1 Center of the vehicle on the red guide line approximately 10 in (0.25 m) away from the rear area 2 Center of the vehic ...

Storing wheels
Store wheels that are not being used in a cool, dry and preferably dark place. Protect the tires from oil, grease, gasoline and diesel. ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the inte ...