Pontiac 2005 Grand Prix - Manual (Page 345)

7. Turn the appropriate
lamp socket a quarter
turn counterclockwise
and remove it.
8. Remove the old bulb.
9. Replace with a new bulb into the socket and turn
the lamp socket clockwise to install it.
10. Reinstall the taillamp assembly by reversing
Steps 2 through 5.
Back-Up Lamps
The back-up lamps are located on the trunk lid.
To replace the back-up lamp bulb(s), do the following:
1. Open the trunk. See Trunk on page 2-13 for
more information.
5-55