I WAS DRIVING AT 40MPH ON FREEWAY ABOUT TO EXIT A VEHICLE CUT ME OFF. SLAM BRAKES AND BRAKES LOCKED AND MADE PULSATIONS (I THOUGHT IT WAS ABS BUT LATER FOUND OUT MY VEHICLE IS NOT EQUIPED WITH ABS) STEERING WHEEL LOCKED TO THE LEFT AND HIT A VAN ON THE SIDE. 4 PEOPLE INJURED.