Yes this is fairly easy. It will take about 45 days. File Sr1 and then file an Sr-19 with the DMV. In the meantime, call the hospitals to make sure that your bills do not go to collection. Sorry for the short answer but I am typing this on my iPhone. Good luck.
Police officer's conclusions are not admissible in court. I have many cases where the police have concluded the wrong cause for the accident. They do not decide who is at fault. A judge or jury decides that.
If she hit your car and does not give you information, she is committing a criminal act.
Get your witness statement and give it to your insurance co and make a claim. They may send an investigator to find out who her insurance company is via her license plate.
If you want to be aggressive, file a police report.
Yes. I do it all the time. When you obtain new information that entitles you to a higher settlement, you should ask for more.
Insurance companies have no shame about reducing their offer if they get new information, so why should you.
Insurance companies are in business to pay you less than the fair value of their claim, so fight the good fight and get full value.