2013 Toyota Sienna Owners Manual - Page 1208

3-1. When you think a malfunction has occurred STEP 6 Take out wrench. Removal the combination Replacement Combination wrench STEP 7 Remove the connector. STEP 8 Turn the bolt with yellow marking using the combination wrench, and move the AUTO ACCESS SEAT until the marks are aligned as shown in the illustration. 54 SIENNA AAS_OM45476U_(U)