Installation Procedure

Fig 1: View Of Wiper Arm Blade

GM429888

Courtesy of GENERAL MOTORS CORP.

Insert the hook of the wiper arm through the opening in the wiper blade.
Position the wiper blade in the inside radius of the wiper arm hook.

Fig 2: View Of Locking Tab

GM429890

Courtesy of GENERAL MOTORS CORP.

Pull upward until the locking tab of the pivot engages the slot in the hook.
Carefully lower the wiper arm and blade onto the windshield.