ON 8/16/11, WHILE DRIVING DOWN A COUPLE OF HILLS ON MY BRAKES, APPROACHING A CAR & STOP SIGN AT AN INTERSECTION A LITTLE OVER 2 BLOCKS AWAY, I PRESSED DOWN HARDER ON THE BRAKE PEDAL TO COME TO A COMPLETE STOP. THE CAR, A NEW, 2011 HYUNDAI GENESIS, WOULD NOT STOP. I CONTINUED TO PRESS HARDER AND HARDER ON THE BRAKE, BUT THE CAR WOULD NOT STOP. IT JUST CONTINUED AT TO MOVE AT THE SPEED I WAS DRIVING DOWN THE HILL, APPROXIMATELY 15-20 MPH. AS A RESULT, THE CAR ROLLED DIRECTLY INTO THE CAR SITTING AT THE STOP SIGN. *TR