Changing the rear window wiper blade
Removing the wiper blade
Switch off the ignition.
Fold wiper arm 
away from the rear window until it engages in the change position.
away from the rear window until it engages in the change position. Unclip wiper blade 
on wiper arm and remove it in the direction of arrow 
.
on wiper arm and remove it in the direction of arrow . Fitting the wiper blade
Position wiper blade with both lugs on holder on the wiper arm.
with both lugs on holder on the wiper arm. Press wiper blade in the direction of arrow 
until it engages in the holder .
in the direction of arrow until it engages in the holder . Make sure that wiper blade sits correctly.
sits correctly. Fold the wiper arm from the change position back onto the rear window.