2013 Toyota Sienna Owners Manual - Page 1211

3-1. When you think a malfunction has occurred STEP 15 Turn the power sliding door main switch off and close the right-hand sliding door manually. Have the seat inspected by your Toyota dealer immediately. The power sliding door will not operate if the AUTO ACCESS SEAT has been stowed inside the vehicle manually. For information regarding the power sliding door, refer to the "Owner's Manual". If the AUTO ACCESS SEAT does not move and the beep does not sound even when the switch is pressed Contact your Toyota dealer. 3