2000 GMC Envoy Owner's Manual - Page 287

Windshield Wiper Blade Replacement Windshield wiper blades should be inspected at least twice a year for wear or cracking. See "Wiper Blade Check" in Section 7 of this manual under Part B "Owner Checks and Services" for more information. See "Normal Maintenance Replacement Parts" in the Index for the proper type of replacement blade. 1. To remove the old wiper blades, lift the wiper arm until it locks into a vertical position. NOTICE: Use care when removing or installing a blade assembly. Accidental bumping can cause the arm to fall back and strike the windshield. A. Blade Assembly B. Arm Assembly C. Locking Tab D. Blade Pivot E. Hook Slot F. Arm Hook 2. Press down on the blade assembly pivot locking tab. Pull down on the blade assembly to release it from the wiper arm hook. 6-35