The contact owns a 2008 Nissan Sentra. The contact stated that while her daughter was driving approximately 45 mph, the vehicle in front abruptly depressed its brake pedal causing the driver to crash into the rear of the vehicle. During the crash, the front end of the vehicle was severely damaged but no air bags were deployed. No injuries were reported. A police report was taken at the scene and the vehicle was towed away. The cause of the failure was not yet determined. The local dealer and manufacturer were not notified of the failure. The failure mileage was 117,000.