2003 Toyota Tundra Owners Manual - Page 84

'03 TUNDRA_U (L/O 0208) -Installation with child restraint lower anchorages (access cab models) The lower anchorages for the child restraint system interfaced with the FMVSS225 specification are installed in the outsides of the rear seat. The anchorages are installed in the clearance between the seat cushion and seatback of the outsides of the rear seat as shown in the illustration. Child restraint system interfaced with the FMVSS225 specification can be fixed with these anchorages. In this case, it is not necessary to fix the child restraint system with a seat belt on the vehicle. Type A Type B 84 2003 MY TUNDRA (OM34419U)