Check maintenance light reset 2009 Prius?

To reset the maintenance light on a 2009 Toyota Prius, start by turning the ignition to the "ON" position without starting the engine. Next, press the odometer button until the odometer reading is displayed. Turn the ignition off, then while holding the odometer button, turn the ignition back to the "ON" position. Continue holding the button until the maintenance light flashes and then turns off, indicating the reset is complete.