WHEN PARKED ON A HILL, THE VEHICLE ROLLED BACK. *BF WHEN THE VEHICLE ROLLED, IT WENT A BIG FIELD AND CAUSED DAMAGE TO THE DRIVERS DOOR AND MUFFLER. THE SECOND INCIDENT, THE VEHICLE WAS SITTING IN THE CONSUMERS DRIVEWAY ON A LITTLE HILL WHEN IT ROLLED AND HIT A TREE AND CAUSED DAMAGE TO THE FENDER AND BUMPER. THE CONSUMER STATED WHEN BOTH ACCIDENTS HAPPENED THE AIR BAGS NEVER DEPLOYED. ALSO THE STEERING WHEEL NEVER LOCKED. *JB