2006 Toyota Avalon meantince requred

Turn the key ON, but don't start it. Make sure the odometer is showing the actual mileage, not trip A or B. Turn the key back to the OFF position, then press and HOLD the trip/reset button. Continue to hold it down and turn the key to the ON position.(Do not start, just ON position). Continue holding the trip/reset button while the mileage shows all zeros until the actual mileage appears again usually takes around 5 seconds. Release the button and see if the maintenance light disappears.