GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 2003 🢒 Alero 🢒 Service and Appearance Care 🢒 Bulb Replacement 🢒 Center High-Mounted Stoplamp (CHMSL)
  1. Open the trunk lid and locate the center high-mounted stop lamp on the inside of the lid.
  2. Use a tool to remove the three screws.
  3. Gently remove and replace the bulb(s).
  4. Reverse this procedure to reassemble the lamp.