2003 Toyota Sienna Owners Manual - Page 101
2003 Toyota Sienna Manual
Page 101 highlights
03 SIENNA_U (L/O 0207) Same position Same angle CAUTION D When installing a child restraint system in the third seat center position, adjust both seat cushions to the same position and align both seatbacks at the same angle. Otherwise, the child restraint system cannot be securely restrained and this may cause death or serious injuries in a collision. D Do not install a child restraint system on the third seat if it interferes with the lock mechanism of the second seats. This can cause death or serious injury to the child and passengers sitting in second seats in case of sudden braking or a collision. 1. Run the center lap belt through or around the convertible seat following the instructions provided by its manufacturer and insert the tab into the buckle taking care not to twist the lap belt. 2003 MY SIENNA (OM45410U) 101