The contact owns a 2024 Chevrolet Blazer EV. The contact stated that while driving approximately 45 MPH and depressing the brake pedal to reduce speed, the vehicle failed to respond as intended and crashed into the rear end of a second vehicle at approximately 5 MPH. Moments later, a third vehicle crashed into the rear of the contact's vehicle. The contact was not injured during the crash. The occupant of the third vehicle sustained an unknown injury. A police report was filed. The vehicle was towed the residence and was later towed to a repair shop. The third vehicle was towed to an undisclosed location. The local dealer was not contacted. The cause of the failure was not determined. The manufacturer was notified of failure. The failure mileage was 5,500.