Have you checked to see if your young child can unbuckle themselves from their car safety seat while you are driving? Read this article for more details. http://children.webmd.com/news/20110429/young ...
Did you use a convertible car seat right away? I used an infant seat and switched to a convertible later but in retrospect, I wish I had used the convertible the entire time.
What are the new guidelines regarding children's car seats?