Hummer H2 2010 Owner's Manual page 436

Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Stoplamp/Taillamp
B. Turn Signal Lamp
C. Back-Up Lamp
6-56
To replace one of these bulbs:
1. Open the tailgate. See Tailgate/Spare Tire Carrier
on page 3 15.
2. If the vehicle has the taillamp guard, remove the
four retaining screws. Do not remove the plastic
retainers.
4. Turn the bulb socket counterclockwise to remove it
from the taillamp housing.
5. Pull the bulb straight out from the socket.
3. Remove the two
screws from the rear
lamp assembly and
remove the rear lamp
assembly.