WHILE TRYING TO STOP THE BRAKES FAILED, CAUSING THE TRUCK TO REAR END THE VEHICLE IN FRONT OF HER . THE PEDAL WENT TO THE FLOOR OF THE TRUCK. OWNER STATES THAT SHE WAS DRIVING 35 MPH UPON IMPAC, T AND THE DRIVER'S SIDE AIR BAG DID NOT DEPLOY. THE DEALER HAS BEEN NOTIFIED. *AK