2009 Toyota Highlander Owners Manual - Page 187
2009 Toyota Highlander Manual
Page 187 highlights
1-7. Safety information Removing a child restraint installed with a seat belt Push the buckle release button and fully retract the seat belt. Child restraint systems with a top tether strap (second seat only) STEP 1 Secure the child restraint using the seat belt or lower anchors, and adjust the head restraint to the upmost position. 158