Pontiac 2002 Aztek Owner's Manual page 372

4. Unscrew the bulb socket from the lamp assembly by
pressing the tab while turning the bulb socket
counterclockwise.
A. Stop/Taillamps
-
B. Back up Lamps
5. Replace the bulb by pulling the old one out and
gently pushing the new one into the bulb socket.
6. Line up the tabs on the bulb socket with the gaps in
the socket holes and screw the bulb socket back into
the lamp housing. You will hear a click.
7. To reinstall, align the pins on the back of the lamp
with the sockets on the outboard side of the lamp
opening.
8. Push forward until the pins snap into the socket.
9. Reinstall the screws removed in Step 2.
6-41