How do you reprogram 2003 Vibe fob?

I don't know if this will work, BUT it's instructions I found on an eBay auction:

PROGRAMMING2003 2004 2005 2006 2007 Pontiac VIBE+++ Do this in order to replace or add a transmitter or when your system malfunctions

1. Start with the key out of the ignition. Open the driver door (all other doors are closed). Driver door is unlocked (other doors don't matter).

2. Perform these steps within 5 seconds a. Insert the key into the ignition (don't turn it) Pull key out b. Insert the key into the ignition (don't turn it) Pull key out

3. Perform these steps within 40 seconds a. Close, then open the drivers door. b. Close, then open the drivers door. c. Insert the key into the ignition (don't turn it) and pull it out.

4. Perform these steps within 40 seconds a. Close, then open the drivers door. b. Close, then open the drivers door. c. Insert the key into the ignition and leave in the ignition. d. Close the drivers door Turn the ignition to ON (as far as you can go without cranking the engine), then back to off . e. Remove the key from the ignition.

5. Within 3 seconds, the power door locks should lock then unlock automatically indicating successful entry into programming mode. Return to step 1 if the locks do not cycle at this point.

6. Perform these steps within 40 seconds a. Press the lock and unlock buttons on the transmitter simultaneously for 1.5 seconds b. Immediately after letting go of the lock and unlock buttons, press the lock button by itself and hold for 2 seconds. Within 3 seconds, the door locks should lock then unlock once indicating successful programming. If the door locks cycle twice, repeat steps 6a and 6b as the remote was not accepted.

7. Open drivers door

Good Luck