See also:

Switching the system on/off
Switching off At the lowest fan speed, press the left side of the button on the driver's side. Switching on Press any button. ...

External devices
Overview AUX-IN port Overview> It is possible to connect audio devices, e.g. MP3 players. Sound is output over the vehicle speakers. > Recommended settings: mid-level tone and volume settin ...

Adjusting
The parking lamps or low beams must be switched on to adjust the brightness. Adjust the brightness using the thumbwheel. ...