The contact owns a 2019 Ford Ranger. The contact stated while driving 70 MPH, there was smoke was coming from the rear of the vehicle. There were several unknown warning lights illuminated. The vehicle was taken to the dealer and was diagnosed with coolant intrusion into the cylinder, causing engine failure. The contact was informed that the engine needed to be replaced. The repair was pending. The manufacturer was notified of the failure. The approximate failure mileage was 28,000.