Switching the rear window wiper on/off
Requirements:
The power supply has been switched on.
Wiping with washer fluid
Intermittent wiping
Rear window wiper off
Wiping with washer fluidMove the 
switch to the corresponding position.
switch to the corresponding position. The symbol will appear on the multifunction display when the rear window wiper is switched on.
Wiping with washer fluid:
press and hold the switch beyond the current position up to the or limit.