See also:

DTMF suffix dialing
DTMF suffix dialing can be used for gaining access to network services or for controlling devices, e.g., to make a remote inquiry of an answering machine. The DTMF code is needed for this purp ...

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*. ...

Fold-out position of the wipers
Required when changing the wiper blades or under frosty conditions, for example. 1. Switch off the ignition. 2. Under frosty conditions, ensure that the wiper blades are not frozen onto the wind ...