2000 Toyota Sienna Owners Manual - Page 63
2000 Toyota Sienna Manual
Page 63 highlights
00 SIENNA(U) To release the concave end tab (1), press the buckle−release button with the round end tab (2). CAUTION Do not use the second right side seat belt with either buckle released. Fastening only the shoulder belt or lap belt may cause serious personal injury in case of a sudden braking or a collision. The second right side seat belt can be stored when it is retracted. To store the seat belt, clip the belt with the clip at the belt tab as shown in the illustration. 63