With Scan Tool
WARNING: This page is about a different car, the 2009 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.
- Connect a scan tool to the vehicle.
- With a new, unlearned, vehicle key, turn ON the ignition, with the engine OFF.
- With a scan tool, select Theft Deterrent Module in the Vehicle Control Systems Module Setup data list.
- Select Step 1.
- Select Use New Keys.
- Follow the scan tool on-screen instructions.