Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses.
Follow instructions under Washing Your Vehicle.
Chevrolet Cobalt Service & Repair Manual. 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 Codes
Connect a suitably programmed
scan tool to Data Link Connector (DLC) and follow manufa ...