2008 Toyota Sienna Owners Manual - Page 145

08 SIENNA_U (L/O 0801) After stowing the seats, open the flaps as shown in the illustration. RETURNING THIRD SEATS Push and hold the returning switch until the seat cushion is locked. A beep sounds twice to indicate the start of the operation. Releasing the switch when the beep sounds again completes the operation automatically. If the indicator light above the switches flashes while the returning switch is being pushed, the returning operation will not start. 104 2008 SIENNA from Aug. '08 Prod. (OM45455U)