LIKE MANY OTHER RECENT REVIEWS HAVE SAID, Diono has changed their seatbelt release latch, and basically made it impossible for the kid to remove his own seatbelt. Secondly, and this was even true earlier on, it's super difficult to fully tighten a belt. It gets stuck as you tighten, and you can feel there's still a gap but you can barely pull anymore. Tightening it up to where it's safe is like wrestling a bear. The only reason I went for the 3rd one is because I already have 2 and I wanted all See full review