1. Lift the rear wiper arm pivot cap (2) upward to allow the rear wiper blade to be raised off of the glass.
NOTE: The rear wiper arm cannot be raised to its over-center hinge position unless the pivot cover is raised first.
2. Lift the rear wiper arm to its over-center hinge position to raise the wiper blade and element off of the liftgate glass.
3. To remove the wiper blade (1) from the wiper arm (3), grasp the end of the blade nearest to the motor output shaft, then over-rotate it out from under the arm and past its stop far enough to unsnap the blade pivot pin (2) from the receptacle (4) on the end of the arm.
4. Gently lower the tip of the wiper arm onto the glass.
Hope this helps you.