Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Raise the windshield wiper arm away from the windshield until the arm locks upright.
Swivel the windshield wiper blade on the wiper arm. Position the blade in order to access the release tab on the back side of the blade.

Fig 1: Wiper Blade, Hook And Retaining Tab
Courtesy of GENERAL MOTORS CORP.
Push the retaining tab (3) and slide the wiper blade (2) toward the vehicle.
Slide the blade down the wiper arm until the blade moves past the hook (1).
Swivel the wiper blade to a 90 degree angle on the wiper arm.
Slide the wiper blade up.
Remove the wiper blade from the wiper arm.