1999 Toyota Sienna Owners Manual - Page 82
1999 Toyota Sienna Manual
Page 82 highlights
name. SIENNA (45403U) -Types of child restraint system Child restraint systems are classified into the following 3 types depending on the child's age and size. (A) Infant seat (B) Convertible seat (C) Booster seat Install the child restraint system following the instructions provided by its manufacturer. (A) Infant seat (C) Booster seat (B) Convertible seat 82