GM Service Manual Online
For 1990-2009 cars only
  1. Locate the fog lamp by reaching up from underneath the front body panel.
  2. Turn the bulb socket counterclockwise one-quarter of a turn while pressing the socket in firmly.
  3. Pull the socket rearward until the bulb clears the fog lamp housing.

  4. Object Number: 1222603  Size: B3
  5. Disconnect the wire connector from the bulb by lifting the lock tab and pulling it away from the plastic base.
  6. Remove the bulb assembly and replace it with the appropriate bulb.
  7. Reverse the steps to reinstall the fog lamp assembly.