See also:

Screw thread
Push out the cover by pressing on the top edge. ...

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*. ...

System limits
Personal responsibility The system cannot serve as a substitute for the driver's personal judgment of the traffic situation. In the event of a warning, do not jerk the steering wheel, as ...