Hummer 2005 H2 - Manual (Page 361)

2. Turn the socket counterclockwise to remove it and
remove the old bulb.
3. Put a new bulb into the socket.
4. Reinstall the socket into the lens and turn it
clockwise to lock it into place.
5. Hook the side of the lens with the hook end in the
notch first and then tighten the screw.
Center Roof Marker Lamps
1. Push in on the notch with a flat tool and pull the
lamp out.
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