The 10-position headrest is easy to adjust, and The easy kind of the latch helps make the seat easy to install. For those who’re installing the seat without the latch, like the Cybex, the Primo has a European belt route that provides more support inside the party of the crash. https://knoxsrmha.wikikarts.com/1236439/not_known_details_about_car_seats_on_amtrak