GM Service Manual Online
For 1990-2009 cars only

To replace the parking and turn signal bulb, do the following:

  1. See "Headlamps" for location.

  2. Object Number: 810008  Size: B3
  3. Locate the turn signal bulb.
  4. Turn the bulb socket counterclockwise and pull it out of the lamp housing.
  5. Push the bulb in, turn it counterclockwise and pull the bulb straight out of the socket.
  6. Reverse the steps to install a new bulb.