The contact owns a 2023 Hyundai Santa Fe. The contact stated while driving 45 MPH, the message ‘Shifter System Malfunction — Service Immediately’ was displayed. The contact stated that the vehicle failed to shift into the park or reverse. The contact activated the parking brake and turned off the vehicle. The vehicle was towed to the dealer but was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 18,192.