THE BRAKE PEDAL WENT TO THE FLOOR WHILE TRAVELING ON THE HIGHWAY. THIS CAUSED CONSUMER'S VEHICLE TO REAR END A TRACTOR TRAILER, LOST CONTROL OF THE VEHICLE, AND FLIPPED TWICE , LANDING ON THE SHOULDER OF THE HIGHWAY. UPON IMPACT, BOTH AIR BAGS DID NOT DEPLOY. DRIVER SUSTAINED HEAD AND BACK INJURIES, AND WAS TRANSPORTED BY AMBULANCE TO A HOSPITAL. THE VEHICLE WAS TOWED. *AK