GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2003 🢒 DeVille 🢒 Body and Accessories 🢒 Lighting Systems 🢒 Headlamp Bulb Replacement

Removal Procedure
  1. Remove the headlamp. Refer to Headlamp Replacement .

    2. Object Number: 459255 Size: SH
  2. Remove the headlamp bulb cover by pressing on the top lever tab and rotating the cover down.

    3. Object Number: 459256 Size: SH

    Caution: Halogen bulbs contain gas under pressure. Handling a bulb improperly could cause it to shatter into flying glass fragments. To help avoid personal injury:

       • Turn off the lamp switch and allow the bulb to cool before changing the bulb.
       • Leave the lamp switch OFF until the bulb change is complete.
       • Always wear eye protection when changing a halogen bulb.
       • Handle the bulb only by its base. Avoid touching the glass.
       • Keep dirt and moisture off the bulb.
       • Properly dispose of the used bulb.
       • Keep halogen bulbs out of the reach of children.

  3. Remove the socket and the bulb from the headlamp.
  4. Remove the bulb from the socket.

Installation Procedure

    Object Number: 459256 Size: SH
  1. Install the bulb to the socket.
  2. Install the socket with the bulb to the headlamp.

    3. Object Number: 459255 Size: SH
  3. Install the headlamp cover. Assure the lever tab is engaged into position.
  4. Install the headlamp assembly. Refer to Headlamp Replacement .