WHILE DRIVING ON THE HIGHWAY THE DRIVER'S POWER SEAT MOVED BACK ON ITS OWN AND THE CONTROLS TO MOVE THE SEAT WERE NON-RESPONSIVE. THE DRIVER HAD TO RELEASE THE SEAT BELTS TO SLIDE FORWARD ON THE SEAT IN ORDER TO REACH THE PEDALS. HAD TO PULL OVER AND TURN THE VEHICLE OFF BEFORE THE POWER SEAT CONTROLS WOULD WORK AGAIN. AFTER GETTING BACK ON THE ROAD, THE SAME THING HAPPENED AGAIN. IF THIS HAD HAPPENED WHEN THE DRIVER NEEDED TO STOP, THEY WOULD NOT HAVE BEEN ABLE TO REACH THE BRAKE PEDAL. TOOK THE VEHICLE TO THE DEALERSHIP THE NEXT DAY. THEY KEPT THE CAR ALL DAY AND WERE UNABLE TO DIAGNOSE OR REPRODUCE THE ISSUE AND RETURNED THE VEHICLE TO US. *TR