GM Service Manual Online
For 1990-2009 cars only

To replace one of these bulbs:

  1. Open the trunk. See Trunk

  2. Object Number: 1198066  Size: B3
  3. Turn the appropriate lamp socket a quarter turn counterclockwise and remove it.
  4. Remove the old bulb.
  5. Put the new bulb into the lamp socket.
  6. Turn the bulb a quarter turn clockwise to reinstall it.