See also:

Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Removing a wheel
Unscrew the uppermost wheel bolt completely. Screw alignment bolt 1 into the thread instead of the wheel bolt. Unscrew the remaining wheel bolts fully. Do not place wheel bolts in sand ...

Important safety notes
WARNING For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-boar ...