Don't think it's an urban myth, this article shows a car seat with an expiry date next to the manufacture date. https://psychoautos.com/why-does-my-car-seat-ha

Don't think it's an urban myth, this article shows a car seat with an expiry date next to the manufacture date. https://psychoautos.com/why-does-my-car-seat-have-an-expiration-date/?utm_content=cmp-true https://psychoautos.com/why-does-my-car-seat-have-an-expirat...