Has my baby been molested?

I have a 14 month old baby and i was molested when i was a child and i happen to think bad things quickly but anyway...my daughter has been pushing her private part hard towards the belt buckle in her carseat and kinda grunts and stretches her legs out while kinda holding her breath! have i lost my dang mind or has any of anyones baby ever done this...answers please! i would really appreciate it if u have thoughts? tomorrow i am calling the doctor to ask and see what they say but i want to know wat more than just the doc has to say! if anything is happening i will be a mother who goes to the cops no matter what or who so please give me ur thoughts thank you!