Using On-Board Diagnostics
WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Use manual control functions to select and view DTC. See RETRIEVING DIAGNOSTIC TROUBLE CODES (DTCS) . Depress the RESET button on Driver's Information Center (DIC) for 2 seconds to clear the selected DTC from the selected module.