The contact owns a 2018 Tesla Model S. The contact stated that while driving at an undisclosed speed, the forward collision avoidance feature was inoperable. The contact stated that due to the failure, the vehicle crashed into the guard rail. The contact stated that damage was done to the front driver's side and rear driver's side of the fender. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 80,000. The VIN was unavailable.