2010 GMC Savana 2500 Cargo Owner's Manual - Page 313

Front Turn Signal, Sidemarker and Parking Lamps To replace the front turn signal, sidemarker and/or parking lamp bulb(s): 6. Replace the bulb. 7. Turn the bulb socket clockwise to reinstall it in the lamp assembly. Center High-Mounted Stoplamp (CHMSL) The Center High-Mounted Stoplamp (CHMSL) is located above the rear doors at the center of the vehicle. To replace a bulb: 1. Use a small tool to unlatch the outboard clip on the lamp. 2. Pull the lamp forward to completely unlatch the clip. Move the lamp to the outboard side to loosen the tabs. 3. Remove the lamp from the grille. 4. Squeeze the tab on the side of the bulb socket while turning it counterclockwise. 5. Remove the bulb socket from the back of the lamp assembly. 1. Remove the two screws from the CHMSL assembly. 2. Remove the CHMSL assembly. 3. Turn the bulb counterclockwise one quarter turn to remove it from the socket. 6-51