This is still a local thing. The Feds don't have jurisdiction. You need to either 1) file a police report and an insurance claim, and let things play out, or

This is still a local thing. The Feds don't have jurisdiction. You need to either 1) file a police report and an insurance claim, and let things play out, or 2) hire a lawyer. In either case, the Tesla has excellent dash cam video and flight-recorder black box data which can be subpoenaed/demanded. Beyond that, you have no other options. Certainly not the NTSB or NHTSA.