See also:

Malfunction
The warning lamp lights up yellow and a message is shown on the Control Display. The active steering is defective or has been temporarily deactivated. At low speeds, greater steering wheel ...

Parking lamps
Switch position     : the vehicle lamps light up on all sides, e.g., for parking. Do not use the parking lamps for extended periods; otherwise, the battery may become discharged ...

Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...