Entering On-Board Diagnostics
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
To enter the Diagnostic Display function perform the following steps:
- Turn ON the ignition switch, with the engine OFF.
- Press the RESET button to acknowledge any warning messages present.
- Press the OPTIONS button on the Driver Information Center (DIC) and hold.
- While holding the OPTIONS button press the FUEL button 4 times within a 5 second period.
- System will first enter automatic display mode followed by the manual display mode.