See also:

Rejecting or ending a call
Press the button on the steering wheel. If you are not in the Tel menu, you can still reject or end a call. ...

General notes
The HOLD function can assist the driver in the following situations:  - when pulling away, especially on steep slopes  - when maneuvering on steep slopes  - when waiting in ...

The windshield wipers are inoperative
The windshield wiper drive is malfunctioning. Select another wiper speed on the combination switch. Have the windshield wipers checked at a qualified specialist workshop. ...