2003 GMC Yukon Owner's Manual - Page 417

Replacement Bulbs Exterior Lamp Bulb Number Low-Beam Headlamps 9006 High-Beam Headlamps 9005 Daytime Running Lamps (DRL) 4114K Front Roof Marker Lamp 194 Front Parking and Turn Lamp 3457A Rear Marker Lamp, Taillamp and 3157 Stop Lamp Rear Turn Lamp 3157 Back-up Lamp 3157 For any bulb not listed here contact your dealer. Windshield Wiper Blade Replacement Windshield wiper blades should be inspected at least twice a year for wear and cracking. See At Least Twice a Year on page 6-12 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 5-109. To replace the windshield wiper blade assembly do the following: 1. Lift the wiper arm and turn the blade until it is facing away from the windshield. 2. Push the release lever and slide the wiper assembly toward the driver's side of the vehicle. 3. Install a new blade by reversing Steps 1 and 2. 5-59