WHILE DRIVING 55 MPH, THE DRIVER APPLIED THE BRAKES AND WITHOUT WARNING THE VEHICLE ACCELERATED. THE DRIVER APPLIED THE BRAKES BUT FAILED. THIS CAUSED THE DRIVER TO COLLIDE WITH THE VEHICLE IN FRONT. UPON, IMPACT BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. THE DRIVER SUSTAINED MAJOR INJURIES AND WAS TRANSPORTED TO THE HOSPITAL BY AMBULANCE. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. THE CAUSE HAS NOT BEEN DETERMINED AT THIS TIME. PLEASE PROVIDE FURTHER DETAILS. *NM