And you should have her see a reputable PI attorney as well.
As someone who is involved in this area of law, I see a number of people try to tough it out after an accident, but the problems never go away and they wind up seeking medical treatment months later. That creates a lot of problems, because it becomes much more difficult to get compensated for an injury if there’s a significant delay between the accident and following up with a medical provider. The insurance company is much less likely to take your claim seriously.