2003 Toyota 4Runner Owners Manual - Page 1188

'03 4Runner_U (L/O 0305) -Installation with child restraint lower anchorages Lower the anchor bracket when it is not in use. Lower anchorages for the child restraint systems complying with the FMVSS225 or CMVSS210.2 specifications are installed in the rear seat. The anchorages are installed in the clearance between the seat cushion and seatback of both outside rear seats. Child restraint systems complying with the FMVSS225 or CMVSS210.2 specification can be fixed to these anchorages. In this case, it is not necessary to fix the child restraint system with a seat belt on the vehicle. Type A Canada only 88 2003 4RUNNER from Apr. '03 Prod. (OM35820U)