The contact owned a 2012 Chevrolet Cruze. The contact stated while driving at an undisclosed speed, the brake pedal failed to respond causing another vehicle to crash into the rear of the vehicle. The contact did not recall whether there were warning lights illuminated. The contact was unsure whether the air bags deployed. The contact stated that she was unconscious for a moment. The contact also sustained back injuries and sought medical attention. A police report was filed. The vehicle was towed to a tow lot, where it was totaled. The dealer and the manufacturer were not notified of the failure. The approximate failure mileage was 123, 000.