GM Service Manual Online
For 1990-2009 cars only

Object Number: 816573  Size: SH

Important: The headlamp leveling module is not serviced separately from the headlamp assembly. If the headlamp leveling module needs to be replaced, the complete headlamp assembly will need to be replaced.

Replace the headlamp assembly. Refer to Headlamp Assembly or Headlamp Bulb and/or Cornering, Sidemarker, Park, Turn Signal Bulb Replacement .