The contact owns a 2013 Chevrolet Impala. The contact stated that her vehicle would fail to start up after multiple attempts without warning. The contact stated that while her fiance was driving at 55 MPH, the vehicle shut off without warning which cause him to crash into a ravine. The air bags did not deploy upon impact. The contact and her fiance suffered minor scrapes and bruises but did not seek medical attention. A police report was filed at the scene. The vehicle was towed to an independent tow yard where it was deemed a total loss. The dealer was contacted about the incident and was informed that they could not pick up the vehicle to perform an investigation. The manufacturer had yet to be notified of the failure. The vehicle was destroyed. The failure mileage was unknown