Engine Oil Life Reset
WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
Turn the ignition key to the RUN position without starting the engine. Fully press and release the accelerator pedal 3 times within 10 seconds. If the CHANGE OIL light flashes for five seconds, the system is reset. If the light does not display for five seconds you will need to reset the system again.