WHILE TRAVELING ABOUT 45 MPH ANOTHER VEHICLE SUDDENLY STOPPED ON THE HIGHWAY CONSUMER APPLIED THE BRAKES BUT PEDAL WENT TO THE FLOOR. CONSUMER AVOIDED THE OTHER VEHICLE BY SKIDDING INTO A DITCH. UPON IMPACT, BOTH FRONTAL AIR BAGS DID NOT DEPLOY. DRIVER SUSTAINED HEAD AND BACK INJURIES,BUT REFUSED TO GO TO THE DOCTOR FOR MEDICAL ATTENTION. VEHICLE WAS TOWED TO CONSUMER'S RESIDENCE.*AK