System Operation Check
WARNING: This page is about a different car, the 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
If system is functioning normally, AIR BAG warning light flashes 7 times and then turns off after ignition is turned on. System malfunction is indicated when light does not illuminate at all, light comes on while driving, light flashes 7 times and remains on or light does not flash but remains on when ignition is turned on.