I'm so sorry to hear about your accident! The best thing to do would be to contact your RV insurance claims department to see how they want to handle the claim. How this claim pays out will be dependent on the details of the accident.
We are sorry to hear that you were involved in an accident and to hear about your current predicament.
Does the primary policy holder have the written policy so that you can see what cars are covered on it and for which coverage?
No, you do not have to use the garage or body shop your car insurer recommends. In fact, many states have laws on the books specifically stating that an insurer cannot require you to use a certain shop.
Unfortunately, you won’t be able to remove him from the history of the policy, but if you are getting new quotes, it would be best to obtain proof that the claim was not in your name. Most insurance agents will be able to dispute a claim if they are provided said proof at the point of sale.