2. Open the trunk.
3. Remove the three screws that secure the taillight lens assembly to the body of the Achieva.
4. Carefully pry the taillight lens assembly away from the body of the Achieva.
5. Remove the bulb socket from the taillight lens assembly by turning it counterclockwise.
6. Remove the old bulb from the bulb socket.
7. Insert the new bulb into the bulb socket.
8. Turn the bulb socket clockwise to secure it in place.
9. Reinstall the taillight lens assembly by snapping it into place.
10. Secure the taillight lens assembly with the three screws that you removed in Step 3.
11. Close the trunk.