The vehicle has a battery saver feature designed to protect the vehicle's battery.
When any interior lamp is left on and the ignition is turned off, the battery rundown protection system automatically turns the lamp off after 20 minutes.
This prevents draining of the battery.
Electric Power Management
Accessory Power Outlet(s)Chevrolet Cobalt Service & Repair Manual. Computer Relearn Procedure
Body Control Module (BCM)
Connect a Tech 2 or suitably programmed
scan tool to Data Link Connector (DLC) and follow manufacturer's instructions.
Dash Integration Module (DIM)
Connect a Tech 2 or suitably programmed
scan tool to Data Link Connector (DLC) and follow m ...