UNEXPECTED ACCELERATION WHEN PULLING INTO PARKING AT LESS THAN 5MPH. FOOT ON BRAKE, NOT ACCELERATOR. HAD TO STOMP ON BRAKE PEDAL BECAUSE CAR JUMPED CURB, RAN INTO BUSHES AND PARKING SIGN. UNEXPECTED ACCELERATION HAPPENED AGAIN ONE HOUR LATER GOING DOWN AN HILL AT 25MPH WITH FOOT ON BRAKE SO AS NOT TO EXCEED SPEED LIMIT. HAD TO PUT CAR IN NEUTRAL AND DEPRESS BRAKE PEDAL AGAIN. FRONT END DAMAGE