THE POWER STEERING ASSIST INDICATOR HAD BEEN COMING ON AND OFF A DIFFERENT INTERVALS. WHEN I WOULD COME ON THE STEERING WHEEL WOULD LOCK UP AND GO INTO MANUAL MODE AND WOULD HAVE TO ME MUSCLED WHILE DRIVING UNTIL THE INDICATOR WHEN OFF. MOST OF THE TIME THIS WOULD HAPPEN ON THE HIGHWAY. THE LAST TIME THIS HAPPENED WAS ON A STREET IN A DENSELY POPULATED SUBURB NEIGHBORHOOD. THE INDICATOR CAME ON AND THE VEHICLE WENT INTO MANUAL MODE AND CRASHED INTO A NEIGHBORS CAR. FORTUNATELY ENOUGH NO ONE WAS IN THE VEHICLE BUT BOTH CARS WERE DAMAGED. THE DRIVER SIDE REAR QUARTER PANEL OF THE NEIGHBORS' CAR THE DRIVERS SIDE DOOR AND QUARTER THE TIE OUTER TIE-ROD IS SEVERELY DAMAGED.