GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 878136  Size: SH
  1. Use a small flat-bladed tool to disengage the lamp lens. Remove the lens from the rearview mirror.
  2. Carefully remove the bulb from the socket.

Installation Procedure


    Object Number: 878136  Size: SH
  1. Install the bulb to the socket.
  2. Align the lamp lens to the rearview mirror. Press the lens into place.