Weird mine did it just fine the first time around but after that I just do it this way...dare i say do it the old fashion way
No case learn is needed if you don't get a check engine light.
For 2004 Grand Prix only:
Set the parking brake to disable the daytime running lights system to avoid draining the vehicles battery.
Try to start the vehicle by turning key to the START position (using a Master Pass-Key key, not a Valet key).
Observe the SECURITY telltale on the driver information center. Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.
Try to start the vehicle by turning key to the START position (using a Master Pass-Key key, not a Valet key).
Observe the SECURITY telltale on the driver information center. Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.
Try to start the vehicle by turning key to the START position (using a Master Pass-Key key, not a Valet key).
Observe the SECURITY telltale on the driver information center. Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.
Start the vehicle.