https://www.reuters.com/article/us-tesla-crash-autopilot/tesla-withdraws-as-party-to-ntsb-autopilot-crash-investigation-idUSKBN1HJ2JS

Tesla Inc said it is withdrawing as a formal party to the National Transportation Safety Board's probe into a fatal March 23 crash in California in which the semi-autonomous "Autopilot" driving system was in use.