Lockout Prevention
WARNING: This page is about a different car, the 2000 GMC Yukon, 2000 Chevrolet Tahoe, 2000 Chevrolet Pickup, and 2000 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Lockout prevention feature is activated when key is in ignition switch, any door is opened and power door lock is pressed. This feature will lock all doors, then unlock driver's door.