Method 2 - Scan Tool Required
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Install a scan tool.
- Turn the ignition ON, with the engine OFF.
- Use the scan tool in order to access the Lift Gate Module (LGM) Special Function: Program Key Fobs menu.
- Follow the directions on the scan tool in order to program the transmitters.
- Operate the transmitter functions in order to verify correct system operation.