Removal Procedure
- Remove the courtesy lamp lens.
 
- Remove the overhead console mounting screw.
 
- Grasp the overhead console and pull downward in order to disengage the fasteners.
 
- Disconnect the electrical connectors from the overhead console.
 
- Remove the screws securing the garage door opener (2) to the overhead console.
 
- Remove the garage door opener (2) from the OnStar® button assembly. Refer to 
Mobile Telephone Microphone Replacement
 .
 
Installation Procedure
- Position the garage door opener (2) to the overhead console.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the screws to secure the garage door opener (2) to the overhead console.
 
Tighten
Tighten the nuts to 2 N·m (18 lb in).
- Connect the electrical connectors.
 
- Align the overhead console within the vehicle.
 
- Press up on the overhead console engaging the fasteners in order to secure the console to the vehicle.
 
- Install the overhead console mounting screw.
 
Tighten
Tighten to 2 N·m (18 lb in).
- Install the courtesy lamp lens.
 
- Refer to 
Control Module References
 for programming and setup information.