GM Service Manual Online
For 1990-2009 cars only
  1. Open the trunk. See Trunk for more information.
  2. Turn the screws located just inside of the trunk counterclockwise and remove them.
  3. Remove the plastic trim piece from the trunk.
  4. Pull the carpet away from the rear area to access the turn signal bulb assembly.
  5. Loosen and remove the bolts that hold the lamp assembly in place.

  6. Object Number: 810661  Size: B3
  7. Pull out the lamp assembly.

  8. Object Number: 810666  Size: A3
  9. Turn the bulb socket one-quarter turn counterclockwise, while pressing it firmly.
  10. Pull the bulb socket straight out of the assembly.
  11. Remove the old bulb by pulling it straight out.
  12. Replace with a new bulb by pushing the bulb straight into the socket until the bulb clicks into place.
  13. Turn the bulb socket one-quarter turn into the assembly to lock it back into place.
  14. Reverse Steps 1 through 5 to reinstall the lamp assembly.