GM Service Manual Online
For 1990-2009 cars only
  1. Remove the two screws at the inside edge of the parking/turn signal lamp assembly.
  2. Remove the lamp assembly.

  3. Object Number: 811403  Size: A3
  4. Squeeze the tab on the side of the lamp socket while turning the socket counterclockwise.
  5. Pull the socket out of the lamp assembly.
  6. Pull the bulb from the socket.
  7. Gently push the new bulb into the socket.
  8. Put the socket back into the lamp assembly and turn it clockwise until it locks.
  9. Put the parking/turn signal lamp assembly back into the vehicle and tighten the screws.