If your vehicle has power locks, it has a programmable automatic door unlock feature.
The doors can be programmed through the Driver Information Center (DIC) to automatically unlock several ways. See DIC Vehicle Personalization for more information.
Chevrolet Cobalt Service & Repair Manual. Air Bag System Disarming & Arming
Disarming
The Sensing and Diagnostic
Module (SDM) can maintain enough voltage to cause air bag deployment for
up to 10 minutes after the ignition is turned off and the battery is disconnected.
Servicing the Supplemental air bag (SIR) system during this period may result
in ac ...