1. Turn the ignition key to the "ON" position, but do not start the engine.
2. Press and hold the odometer reset button on the dashboard.
3. While holding the odometer reset button, press the lock button on your key fob.
4. Hold both buttons for at least 3 seconds, or until the airbag light turns off.
5. Release both buttons and turn off the ignition.
The airbag light should now be reset. If the light does not turn off, you may need to take your vehicle to a Toyota dealership or a qualified mechanic to have it reset.