2010 Hummer H3 Owner's Manual - Page 298

10-32 Vehicle Care To replace the windshield wiper blade: Wiper Blade Replacement Windshield wiper blades should be inspected for wear and cracking. See Scheduled Maintenance on page 11‑2 for more information. Replacement blades come in different types and are removed in different ways. For proper type and length, see Maintenance Replacement Parts on page 11‑10. 1. Lift the wiper arm away from the windshield. 2. Push the release lever (B) to disengage the hook and push the wiper arm (A) out of the blade (C). 3. Push the new wiper blade securely on the wiper arm until you hear the release lever click into place. To replace the rear wiper blade, lift the rear wiper arm from the window and pull the blade.