GM Service Manual Online
For 1990-2009 cars only

If the vehicle loses battery power or if the endgate window power release electrical circuit is interrupted, you may open the endgate window manually from inside the vehicle.

Use the following procedure:

  1. Release the endgate window before opening the window.

  2. Object Number: 741  Size: SH
  3. Peel back the edge of the carpet slightly in order to expose the access hole in the trim panel.
  4. Begin peeling at the upper center of the carpet on the endgate trim panel.
  5. Reach through the access hole using a screwdriver in order to move the release lever toward the passenger side of the vehicle.
  6. Open the endgate using the endgate handle.
  7. Secure the loosened carpet to the endgate trim panel.