The contact’s son owns a 2018 Ford Fusion. The contact’s son stated while driving at an undisclosed speed, the vehicle shuddered and white smoke emitted from the exhaust pipe. The check engine warning light was illuminated. The failure occurred on several different occasions and the coolant level was abnormally low. The vehicle was not taken to a dealer. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 90,000.