Pontiac 2002 Grand Prix Owner's Manual page 309

8. Remove the old bulb.
9. Place the new bulb into the socket.
10. Turn the lamp socket a quarter turn clockwise to
reinstall it.
11. Carefully reinstall the taillamp assembly by
reversing Steps 1 through 5. Be careful to avoid
scratching or chipping the vehicle's paint.
12. Close the rear compartment.
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