Hello, deaneke,
If you post your question on the "Ask a gran" forum, you might get more responses. I'm afraid I can't answer your question as I've never used car seats.
Welcome to the "good morning" forum, by the way, and please do post here again. ?
Being quizzed by chemist's assistant in Boots.
Angela Rayner lashes out and calls Sunak “pint sized loser”.