See also:

Activating/deactivating the rear view camera
– To activate: make sure that the SmartKey is in position 2 in the ignition lock. – Make sure that the "rear view camera" function is selected in COMAND (see the separate operating in ...

Problems with the SmartKey
Problem Possible causes/consequences and Solutions You cannot lock or unlock the vehicle using the SmartKey. The SmartKey battery is discharged or nearly discharged. - ...

Adjusting the sound settings
You can select the sound settings in the audio CD/DVD/MP3, video DVD and AUX modes. Switch on an audio operating mode (e.g. audio CD mode). Select Treble or Bass using the buttons on the remo ...