Disabling System
WARNING: This page does not describe the selected car, but rather 110 other vehicles, including the 2003 Pontiac Vibe, 2003 Pontiac Sunfire, 2003 Pontiac Montana, 2003 Pontiac Grand Prix, and 2003 Pontiac Grand Am. However, it is still accessible from the selected car via links, so may be relevant.
Ensure ignition switch is in OFF or LOCK position. Disconnect and shield negative battery cable at battery. After disconnecting negative battery cable, wait at least 2 minutes for reserve capacitor to discharge before servicing air bag system.