WHILE IN PARK AT FAST IDLE NO INCLINE, NO EMERGENCY BRAKE ENGAGED, VEHICLE WENT INTO REVERSE DOWN DRIVE WAY, KNOCKING DOWN OWNER AND ROLLING OVER HIS LEG, WHEN STOPPED FOUND INDICATOR SHOWING VEHICLE STILL IN PARK POSITION. *AK CONSUMER SUFFERED INJURIES, CONSUMER STATES VEHICLE WAS IN PARK FAST IDLE AND DID NOT MOVE AT ALL WHEN HE GOT OUT, CONSUMER STATES EITHER THETRANSMISSION FAILED ON LINKAGE MAY BE OUT OF SPEC.*JB