i was in a cash 3 years ago i was parked and they drove [out of there way to hit me] was just back and blew on my one leg but 8 weeks later my right sholder pain took over a year for it to get better and a lot of doc bills , make real sure you and your son are right dont be the tough guy like i did i would call a lawyer for my car and you and your son my ins did very little for me 10 months later the other ins comp. paid all my bills and the loss of my car I got lucky