1. Park your Sienna on a level surface and turn off the engine.
2. Locate the spare tire, which is stored under the rear of the vehicle.
3. Remove the spare tire cover by turning the knob counterclockwise.
4. Loosen the lug nuts on the spare tire by turning them counterclockwise with the lug wrench. Do not remove the lug nuts completely.
5. Jack up the rear of the vehicle until the flat tire is off the ground. Use the jack provided with your Sienna or a floor jack.
6. Remove the lug nuts and take off the flat tire.
7. Place the spare tire on the lug nuts and tighten them by hand.
8. Lower the vehicle until the spare tire is on the ground.
9. Tighten the lug nuts with the lug wrench until they are snug. Do not overtighten the lug nuts.
10. Replace the spare tire cover.
