1. Turn the ignition to the "ON" position, but do not start the engine.
2. Press and hold the odometer reset button for at least 5 seconds.
3. While continuing to hold the reset button, turn the ignition to the "OFF" position.
4. Release the reset button.
5. Turn the ignition back to the "ON" position.
6. The oil change indicator light should now be reset.
If the oil change indicator light does not reset, you may need to take your vehicle to a Toyota dealership or qualified auto repair shop to have it reset.