The contact owns a 2023 Honda Civic. The contact stated that while driving approximately 75 MPH, the cruise control suddenly would not deactivate causing the driver to lose control of the vehicle and crash into a ditch. The contact indicated that prior to the crash the cruise control did not deactivate when pressing the brake pedal and did not shut off while manually pressing the cruise control deactivation switch. Also, during the crash no airbags deployed and no injuries were reported. A police report was taken at the scene and the vehicle was towed away. The cause of the failures was not determined. The local dealer was notified of the failures. The manufacturer was not contacted. The failure mileage was 6,300.