We just turned Jesse around when he turned 6 months.. he also weighed 9.4kgs and was getting to big for the chair insert (it says only to use up to 9kgs) .. not to mension it was getting to hard to lug his heavy boofhead out from the middle of the car. Our carseat slightly tilts for frontward facing and he sits perfectly in it.. and loves it. He was out of his capule at around 6 weeks as that was even heavier!