2005-2010 Turn the ignition to run (one position before starting engine). Ensure odometer reading is…
How to Reset the "MAINT REQD" Light on Toyota Sienna
1. With the car started (ignition on), set the LCD odometer readout to total mileage (not trip A or B).
2.Turn the car off (ignition key to the OFF position).
3. Push in AND HOLD the button/knob that switches the odometer
4. Turn key to ON position without starting the car. You will notice the maintenance light blink and go out.
5. Release the odometer button/knob.
6. Turn key to OFF position.
That’s it! The “MAINT REQD” light has been reset to warn you to change your oil in another 5,000 or 7,500 miles or so.