I PARKED MY CAR ON A SLIGHT INCLINE. I GOT OUT, LIKE I HAVE DONE MANY TIMES, PUT MY CAR IN PARK. I LEFT THE ENGINE RUNNING AND WAS OUT GETTING MY DOG SOME WATER, PLACED THE WATER ON THE DECK AND TURNED TO GET IN MY CAR, I HEARD THIS POP OF A SOUND AND MY CAR STARTED ROLLING BACKWARD. IT STAYED ON THIS GOOD ROAD I HAD INTO MY GARDEN, GOING BACKWARD, I TRIED TO GET IN THE CAR AND STOP IT, BUT THE ANGLE OF ENTRY AND SPEED KEPT ME FROM DOING THAT. IT THEN TOOK A PATH OFF THE ROAD AND I WATCHED AS IT VANISHED INTO A GULLY, ABOUT 8 TO 12 FEET DEEP. IT COST ME APPROX $3800.00 TO REPAIR, PLUS RENTAL, PLUS WRECKER, PLUS CHECKING THE UNDER BODY AND TIRES, WHEELS. I WAS TOLD THAT THE GEARS HAD JUMPED LOOSE. IT WAS A HORROR SHOW, PLUS COSTLY, AND I WAS VERY LUCKY THAT IT WENT IN THE GULLY, INSTEAD OF THE YARD NEXT TO MY PROPERTY WHERE THREE KIDS WERE PLAYING. I HAVE HEARD OTHER SIMILAR STORIES, WHAT HAS OR IS BEING DONE TO CORRECT THIS PROBLEM?