Chevrolet Cobalt Service & Repair Manual: Automatic Temperature Control Diagnosis & Testing

Air Conditioning & Heater

...

ATC Diagnosis & Testing

Accessing Diagnostic Trouble Codes Connect suitably programmed scan tool to the Data Link Connector (DLC) and follow manufacturer's instructions. Clearing Diagnostic Trouble Code ...

See also:

Chevrolet Cobalt Owners Manual. Turn and Lane-Change Signals
An arrow on the instrument panel cluster flashes in the direction of the turn or lane change. Move the lever all the way up or down to signal a turn. Raise or lower the lever until the arrow starts to flash to signal a lane change. Hold it there until the lane change is complete. The lever ...