2012 Toyota Prius Owners Manual - Page 476

1-8. Safety information Removing a child restraint installed with a seat belt Press the buckle release button and fully retract the seat belt. Child restraint systems with a top tether strap STEP 1 Secure the child restraint system using a seat belt or the LATCH anchors, and do the following. Foldable type outside seats Adjust the head restraint to the upmost position. 172