2012 Toyota Sienna Owners Manual - Page 779

5-2. Steps to take in an emergency STEP 4 Remove the wheel nut wrench. Taking out the spare tire STEP 1 Slide the front passenger's seat to the frontmost lock position and the right side second seat to the rearmost lock position so they will not interfere with the jack handle. Open the right side sliding door and you will find the flap on the floor. Pull back the flap to find the spare tire clamp bolt. STEP 2 5 When trouble arises 749 SIENNA_U (OM45477U)