2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 529

Replacement Bulbs Exterior Lamp Back-up Lamp Back-up Lamp* Cargo Lamp and Center High-Mounted Stoplamp (CHMSL) Fender Marker High-Beam Headlamp Low-Beam Headlamp License Plate Lamp Stoplamp/Taillamp/Turn Signal Lamp Sidemarker Lamp Stoplamp/Turn Signal Lamp/Taillamp* * Chassis Cab Models Bulb Number 3047 or 921 1156 912 W5WLL 9005 H11 168 3047 194 1157 Windshield Wiper Blade Replacement Windshield wiper blades should be inspected for wear or cracking. See Scheduled Maintenance on page 7‑3 for more information on wiper blade inspection. Replacement blades come in different types and are removed in different ways. Here is how to remove the wiper blade: 1. Pull the windshield wiper arm connector away from the windshield. For replacement bulbs not listed here, contact your dealer. 2. Squeeze the grooved areas on each side of the blade and turn the blade assembly away from the arm connector. 6-69