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. Vehicle Visual Inspection Procedures
Gasoline & Alternative Fuel Engine Vehicles
Visual Inspection
To ensure proper operation of
all emission control system components it is required to perform a visual
inspection. Refer to the Vehicle Emission Control Information Label and
the Emission Control Application Char ...