If the drivers door is opened with the ignition off and the lamps on, a warning chime will sound. This indicates that the headlamps are still on.
Wiper Activated Headlamps
Daytime Running Lamps (DRL)Chevrolet Cobalt Service & Repair Manual. Tightening Specifications
Year
Component
Torque, Ft. Lbs.
2009-10
Accelerator & Cruise Control Cable
89 2
Air Cleaner Clamps
44 2
Air Cleaner Outlet Resonator Mounting Bolt
...