See also:

Deactivating DSC: DSC OFF
DSC can be deactivated. To do this, activate the DSC OFF program. This is performed via the Dynamic Driving Control. ...

Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption. ...

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*. ...