Going through that battle right now as well lol. I have claim with State Farm right now and they are 5k short. I had to get the shop to submit a supplement to request the difference
1) The first 5 digits of your RN#.
RN11289
2) The date you configured your truck.
2/28
3) The date you received your VIN assignment (if known)
4) The Date you will take delivery (if known)
5) Your state
California