Follow this procedure to reset the GM Oil Life System. ™:

1. Turn the ignition to ON, with the engine off.
2. Fully press and release the accelerator pedal three times within five seconds.
3. If the CHANGE OIL light flashes, the system is resetting.
4. Turn the key to OFF after the light has finished flashing, then start the vehicle.

If the CHANGE OIL light comes back on, the engine oil life system did not reset. Repeat the procedure.