TL* THE CONTACT OWNS A 2010 HYUNDAI SONATA. WHILE DRIVING 55 MPH, THE BRAKE SYSTEM FAILED TO ENGAGE WHEN THE BRAKE PEDAL WAS DEPRESSED. AS A RESULT, THE THE CONTACT CRASHED INTO THE PRECEDING VEHICLE. THE FRONT DRIVER SIDE AIR BAG FAILED TO DEPLOY. THE CONTACT SUSTAINED INJURIES TO THE LEGS, KNEES, LOWER BACK, AND SHOULDERS THAT REQUIRED MEDICAL ATTENTION. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO AN INDEPENDENT TOW YARD. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS 39,000.