WHILE PARKING VEHICLE SUDDENLY ACCELERATED WHEN MOVING FORWARD SO MUCH THAT HAD TO TURN WHEEL TO RIGHT SIDE TO TRY TO AVOID CAR PARKED IN FRONT TO NO AVAIL HIT CAR PARKED IN FRONT WITH DRIVER SIDE BUMPER AND FENDER.THANK GOD THERE WAS LIGHT POLE IN SIDEWALK WHICH SLOWED DOWN CAR ENOUGH TO BE SHUT OFF.