The contact's son owns a 2021 Kia K5. The contact stated that while her son was driving in the rain at 50 MPH, another vehicle hit her son's vehicle from behind which sent the vehicle into a concrete barrier. The vehicle was sent spinning after it hit the barrier; the vehicle was facing oncoming traffic once it came to a stop. The air bags did not deploy upon impact. The contact's son was not injured and did not seek any medical attention. The other driver fled the scene of the accident. A police report was filed. The vehicle was towed independent collision center where it had yet to be inspected or repaired. The dealer nor the manufacturer had yet to be notified of the failure. The failure mileage was unknown. The VIN was not available.