Um i dont think the baby was in there hence the seat belt not being on hence it hitting the windscreen hence no mention of the baby lollol
can only asume the seat wasnt fitted properly, lucky you're baby wasnt in there.
i seeits just a booster with a tall back on it so the belt goes round her and the seat so when she aint in it its not belted in i normaly put it in the boot and the one time i didnt.....