See also:

Sound output
Switching on/off When the ignition is switched off: press ON/OFF button on the radio. Muting When the ignition is switched on or the engine is running: press the ON/OFF button on the radio. ...

Playing CD/DVD
Use the following menu items to access data from a CD/DVD: ▷ Video data via "DVD" ▷ Audio data via "CD" ▷ Images "Photo" Playing CD/ ...

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. ...