GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2003 🢒 Grand Prix 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Center High-Mounted Stoplamp (CHMSL)
  1. Open the trunk.

    2. Object Number: 810627 Size: B3
  2. Reach through the access opening in the trunk and remove the slotted vent by squeezing the ends and pulling down.

    3. Object Number: 810631 Size: B3
  3. Remove the old bulb by turning it a quarter turn counterclockwise.
  4. Place the new bulb into the bulb socket.
  5. Turn the bulb a quarter turn clockwise. Reinstall the vent.