Vehicle Care 277Wiper Blade ReplacementWindshield wiper blades should beinspected for wear and cracking.Replacement blades come indifferent types and are removed indifferent ways. For proper type andlength, see MaintenanceReplacement Parts 0 334.CautionAllowing the wiper arm to touchthe windshield when no wiperblade is installed could damagethe windshield. Any damage thatoccurs would not be covered bythe vehicle warranty. Do not allowthe wiper arm to touch thewindshield.To replace the windshield wiperblade:1. Pull the windshield wiperassembly away from thewindshield. The passengerside wiper arm has limitedtravel.2. Press the button in the middleof the wiper arm connector,and pull the wiper blade awayfrom the arm connector.3. Remove the wiper blade.4. Reverse Steps 1–3 for wiperblade replacement.Windshield ReplacementHUD SystemThe windshield is part of the HUDsystem. If the windshield must bereplaced, get one that is designedfor HUD or the HUD image maylook out of focus.Driver Assistance SystemsWhen a windshield replacement isneeded and the vehicle is equippedwith a front-looking camera sensorfor the Driver Assistance Systems,the windshield must be installedaccording to GM specifications forthese systems to work properly. If itis not, there may be unexpectedbehavior and/or messages fromthese systems. See ObjectDetection System Messages 0 140.