GM Service Manual Online
For 1990-2009 cars only

If you have a four-door sedan, do the following to replace a back-up lamp:

  1. Remove the back-up lamp assembly from the fascia.
  2. Gently pull the bulb assembly from the fascia.
  3. Remove the bulb from the socket by turning it one-quarter turn counterclockwise.
  4. Replace the bulb and reinstall the bulb assembly by reversing Steps 1 and 2.