See also:

Cleaning the display
► Before cleaning the display, make sure that it is switched off and has cooled down. ► Clean the display surface using a commercially-available microfiber cloth and TFT/LCD display ...

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. ...

Exterior mirror out of position
If an exterior mirror has been pushed out of position, proceed as follows: Vehicles without electrically folding exterior mirrors: move the exterior mirror into the correct position manually. ...