See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Tail lamps
▷ Turn signal, backup lamp: 21-watt bulb, H21W. ▷ Brake lamp, brake force display: 21-watt bulb, P21W ▷ Tail lamp: LED technology. Contact your service center in the event of ...

Remove attached parts following use
Remove unneeded auxiliary mirrors, roof or rear luggage racks after use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...