See also:

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...

Switching on/off manually
Press the button. ...

Washer/wiper system
Do not switch on the wipers if frozen<> Do not switch on the wipers if they are frozen onto the windshield; otherwise, the wiper blades and the windshield wiper motor may be damaged.&# ...