Removing
Turn on the ignition.
Turn the wiper switch from position (0) into position (1), then from the position (1) into position (0).
Switch off the ignition.
Note the position of the wiper arm.
Pull off the protective cap of the nut (5).
Loosen the fastening nut (6) wiper lever.
Remove the wiper arm using the tool (Ele. 1781).
Remove the rear window wiper.
Installation
Turn on the ignition.
Turn the wiper switch from position (0) into position (1), then from the position (1) into position (0).
Switch off the ignition.
Install the rear window wiper arm.
Install: wiper arm, wiper arm nut.
Close the nut with a protective cap.