How do you turn off the oil change light in a Buick Roadmaster?

After the oil has been changed, you'll need to reset your system. To do that: 1.Turn the ignition switch to the ON position with the engine stopped. 2.Fully push and release the accelerator pedal 3 times within 5 seconds. 3.The CHANGE OIL light should flash two times and then go out. If the CHANGE OIL light comes on and stays on for 5 seconds, it did not reset. You'll need to reset the system again. The button is located on the left side of the dashboard, the door has to be open to see the panel