The contact owns a 2023 Kia Sportage. The contact stated while driving 45 MPH, the brake pedal was depressed to slow the vehicle however, the brakes was inoperable. The contact stated that the vehicle started spinning and landed in a ditch and struck a wooden fence. The vehicle was not diagnosed or repaired by an independent mechanic or the dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 26,887.