Porsche Cayman Owner's Manual page 184

Changing rear window wiper blade
Caution!
Risk of damage.
If a wiper blade is not changed properly, it
can come loose when the car is moving.
f Check whether the wiper blade is seated
securely.
The wiper blade must engage the wiper arm
properly.
184
Maintenance, Car Care
1. Apply the handbrake.
2. Switch the rear window wiper off (position 0)
and remove the ignition key.
3. Fold wiper arm away from the rear window.
4. Press together the plastic spring of the wiper
blade.
5. Pull wiper blade upwards out of wiper arm.
6. Insert new wiper blade into the wiper arm from
above.
7. Press together the plastic spring of the wiper
blade and engage it in the wiper arm until it
snaps into place.
8. Carefully fold wiper arm back on to the rear
window.