2009 Toyota Tundra Owners Manual - Page 170

1-7. Safety information Forward facing ⎯ Convertible seat 1 Before driving Booster seat n Selecting an appropriate child restraint system l Use a child restraint system appropriate for the child until the child becomes large enough to properly wear the vehicle's seat belts. l If a child is too large for a child restraint system, sit the child on a rear seat and use the vehicle's seat belt. (→P. 75) 139