Legal Question in Personal Injury in New York

Yes. Hire an attorney

Yes. Go to Small Claims Court if the repairs are less than $5,000. No attorney needed, but bring a certified paid bill or the mechanic who plans to do the work. Best, M. E. Zuller

I d/k the details on how you found out but I would add a John Doe, Jane Doe and a Joe Doe as defendants, if they will let you in SCC. We often do this, esp in a case like this. Sometimes, only further investigation once suit is commenced reveals all the potentially culpable parties.