This vehicle may have power door locks.
The controls are located
on the driver and front
passenger door armrest.
Chevrolet Cobalt Service & Repair Manual. Battery Cable, Replace
Ground Cable
Battery To Battery Tray
Caution: Unless directed otherwise,
the ignition and start switch must be in the OFF or LOCK position, and all
electrical loads must be OFF before servicing any electrical component.
Disconnect the battery ground to prevent an electrical spar ...