AFTER PULLING INTO A PARKING AND ENTERING PARKING SPACE MY WIFE ATTEMPTED TO STOP CAR, WITH HER FOOT ON THE BRAKE THE VEHICLE JERKED FORWARD JUMPING A PARKING BUMPER AT AN ACCELERATED RATE OF SPEED. AFTER JUMPING THE BUMPER OUR CX-5 HEADED TOWARD TWO PARKED CARS, SHE WAS ABLE TO TURN THE WHEEL TO THE RIGHT WHERE SHE WAS THEN HEADED TOWARD A CROSSWALK, BETWEEN TWO PARKING LOTS, WITH A HAND RAIL. THE VEHICLE FINALLY CAME TO A STOP AFTER BECOMING WEDGED UNDER THE HAND RAIL AND BUMPING A PARKED CAR. DAMAGE WAS TO THE R FENDER, FRONT BUMPER AND HOOD A TOTAL OF $5,100 WORTH OF DAMAGE. VEHICLE WAS TOWED TO DEALER. MAZDA WOULD NO LOOK INTO WHAT OR WHY IT HAPPENED, OUR INSURANCE COMPANY SENT OUT A MEMBER OF THEIR FORENSIC GROUP TO INVESTIGATE THE PROBLEM. NOTHING WAS FOUND TO BE WRONG AT THE TIME THAT HE CHECKED AND COULD NOT DUPLICATE AS HE COULD NOT DRIVE THE VEHICLE. THIS WAS OUR SECOND MAZDA AND OUR LAST, MOVING ON.