See also:

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

What to do if...
► The current transmission position cannot be displayed? The vehicle is located in an unrecognized region, is in a poor reception area, or the system is currently determining the position. ...

Controls
1 Change the entertainment source 2 Eject CD/DVD 3 CD/DVD drive 4 Change station/track 5 Programmable memory buttons 6 Volume, on/off ...