2009 Toyota 4Runner Owners Manual - Page 151

1-7. Safety information Child restraint systems with a top tether strap Secure the child restraint using the LATCH anchors or seat belt, and remove the head restraint. Vehicles without third seats Raise the anchor bracket, latch the hook onto the anchor bracket and tighten the top tether strap. Make sure the top tether strap is securely latched. Hook Top tether strap Anchor bracket 126