ON 10/31/2019, MY WIFE WAS WAITING IN LINE AT A CARWASH. WHILE WAITING FOR THE CAR IN FRONT OF HER TO MOVE OUT OF THE CARWASH TUNNEL, SHE HAD HER FOOT FULLY PRESSED ON THE BRAKE PEDAL AND THE 'HOLD' SIGN WAS SHOWING ON THE INSTRUMENT PENAL SCREEN. APPROXIMATELY 2 MINUTES LATER, SHE RELEASED THE BREAK PADDLE, BUT BEFORE SHE COULD PRESS THE GAS PEDDLE, THE CAR SUDDENLY MOVED FORWARD BY ITSELF AT ALMOST FULL ACCELERATION. MY WIFE IMMEDIATELY ATTEMPTED TO STOP THE CAR BY PRESSING THE BREAK PEDAL IN FULL, THE CAR SLOWED DOWN, BUT DID NOT FULLY STOP AND KEPT MOVING FORWARD UNTIL IT HIT THE CAR IN FRONT OF IT. BEFORE AND DURING THE ENTIRE ACCIDENT, SOPHIE KEPT FULL HUMANLY POSSIBLE CONTROL OVER THE CAR, BUT AGAIN, THE CAR ABRUPTLY ACCELERATED BY ITSELF AND DID NOT COME TO A FULL STOP WHEN BREAK PEDAL WAS PRESSED. FORTUNATELY THERE WAS NO INJURY TO ANYONE, BUT THE FRONT BUMPER OF THE CAR IS DENTED.