WHILE DRIVING 5 MPH, THE DRIVER APPLIED THE BRAKE PEDAL AND WITHOUT WARNING THE VEHICLE ACCELERATED UNCONTROLLABLY. THE DRIVER WAS NOT ABLE TO MAINTAIN CONTROL OF THE VEHICLE AND COLLIDED INTO A FENCE. BOTH FRONTAL AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS TOWED TO THE DEALER FOR INSPECTION. THE MECHANIC WAS UNABLE TO DUPLICATE THE PROBLEM. *JB