1999 Toyota Sienna Owners Manual - Page 78
1999 Toyota Sienna Manual
Page 78 highlights
name. SIENNA (45403U) 1. Bring the seat to the upright position and raise the armrest. Move the head restraint to the fully down and fully backward position. 2. Lower the child seat cushion. 3. While lifting the seat belt adjustment lever in the child seat back panel, pull both shoulder belts together. CAUTION When using the built −in child restraint, the head restraint must be fully lowered and pulled fully backward. 78