Why do you think that it will be fake? When I bought car seat I done a lot of research. For example this article The Safest Child Car Seats on the Market BestCarSeatHUB com very helpful. These seats are the safest and most secure on the market today. They have been carefully vetted and tested to ensure that they will protect your child in accidents.
You have to pull out the side things as you're pushing the button to raise it and push both of them in to lower it. Took me about 15 mins to figure out lol