The contact owns a 2025 Lincoln Aviator. The contact stated while driving 55 MPH, the brake pedal was depressed; however, the vehicle was slow to respond. The local dealer was contacted, and the contact was informed that the failure might be due to a computer chip failure. The dealer was unable to duplicate the failure. The vehicle was not diagnosed or repaired. The contact was concerned about driving the vehicle. The manufacturer was contacted and opened a case. The failure mileage was approximately 2,000.