1) With the engine off, press and hold the odometer reset button.
2) While holding the reset button, turn the key to the "On" position. The maintenance required light should still be on.
3) While still holding the reset button, turn the key to the "Off" position. Release the reset button.
4) Turn the key back to the "On" position. The maintenance required light is now off.
5) Turn the key back to the "Off" position and turn the engine on to verify the light has been reset.
If the maintenance required light does not reset, you may need to take your vehicle to a Toyota dealer for service.