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. Engine Mount Bracket R&R
Refer to Fig. 1
when performing the following procedure.
1.
Remove the air cleaner assembly.
2.
Support the engine with a hydraulic
floor jack. Use a piece of wood between the jack and the oil pan.
...