2004 GMC Canyon Owner's Manual - Page 319

Windshield Wiper Blade Replacement Windshield wiper blades should be inspected at least twice a year for wear and cracking. See "Wiper Blade Check" under Cleaning the Outside of Your Vehicle on page 5-98 for more information. Replacement blades come in different types and are removed in different ways. For proper type and length, see Normal Maintenance Replacement Parts on page 6-15. Notice: Allowing the wiper blade arm to touch the windshield when no wiper blade is installed could damage the windshield. Any damage that occurs would not be covered by your warranty. Do not allow the wiper blade arm to touch the windshield. 1. To remove the old wiper blades, lift the wiper arm until it locks into a vertical position. 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. 5-55