2006 Pontiac GTO Owner's Manual - Page 239

4. Turn the appropriate bulb socket counterclockwise while holding the assembly, to release it from the housing. 5. Remove the bulb from the bulb socket by pushing it in and turning it counterclockwise. 6. Install the new bulb into the bulb socket by pushing it into the socket and turning it clockwise. 7. Install the bulb socket into the taillamp housing, ensuring that the socket locks securely into place. 8. Reinstall the lamp assembly so that the clips are seated correctly. Fit the housing to the body, so that the locating pegs snap into the clips. 9. Reinstall and tighten the screws to secure. Replacement Bulbs Exterior Lamp Back-up Lamp Front Turn Signal/Parking Lamp Headlamps High-Beam Low-Beam Rear Turn Signal Lamp Stoplamp/Taillamp Bulb Number 1156 1157NA H9 H11LL 1156NA 1157 For replacement bulbs not listed here, contact your dealer. 5-49