See also:

General information
The channels are offered in predefined packages. The packages must be enabled by telephone. ...

Switching on the rear window wiper
Press the lever forward: intermittent wipe. When reverse gear is engaged, the system switches to continuous operation. To clean the rear window, press the lever further forward. ...

Wiper blade replacement
Do not fold down the wipers without wiper blades Do not fold down the wipers if wiper blades have not been installed; this may damage the windshield.◀ ...