The driver's storage compartment is located near the left side of the steering column on the bottom of the instrument panel. Pull the cover down to open.
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 ...