LEXUS IS300 2002 VEHICLE ROLLOVER ON FREEWAY. DEFECT THAT CAUSED THE CAR TO ROLL WAS FROM THE LEFT FRONT WHEEL/RIM BROKE IN HALF WHILE DRIVING. I WAS MERGING AND HEARD SOMETHING BREAK UNDER THE CAR. MY STEERING WHEEL TURNED A HARD RIGHT FORCEFUL AND WITHOUT MY CONTROL. I TRIED TO STRAIGHTEN THE STEERING WHEEL OUT FROM THIS INVOLUNTARY HARSH DIRECTION OF VEHICLE, IT WAS LOCKED UP. I TURNED COMPLETELY AROUND FACING TRAFFIC. ALL ATTEMPTS TO TURN THE STEERING COLUMN WOULD NOT ALLOW ME TO DO SO (COMPLETELY LOCKED POSITION). THE VEHICLE SPUN AND I HEARD AND FELT THE BACK END HIT SOMETHING. THE CAR CATAPULTED OVER A 8 FT. FENCE THAT SEPARATES THE ACCESS ROAD. THE CAR LANDED ON ITS ROOF. MY AIRBAGS NEVER DEPLOYED! IMPACT CRUSHED THE ROOF INTO THE GROUND I WAS SUSPENDED UPSIDE DOWN BY MY SEAT BELT. THE CAR ENGINE WAS STILL RUNNING. I ATTEMPTED TO UNLATCH MY SEAT BELT, IT TOOK A FEW ATTEMPTS. I COULD NOT FIND A DOOR HANDLE, OR WINDOW TO GET OUT. I TRIED FORCING THE DRIVERS DOOR OPEN. IT WOULD NOT MOVE, I WAS TRAPPED INSIDE THE UPSIDE DOWN VEHICLE. IN A PANIC, I FEARED THE CAR WOULD SPILL GASOLINE AND CATCH FIRE. I TURNED THE IGNITION OFF. I THEN REALIZED NO ONE STOPPED TO HELP...I FORCED MY BODY TO HIT THE DOOR OVER AND OVER, TO BREAK IT OPEN. I GOT THE SIDE MIRROR TO BREAK ALLOWING THE DOOR TO OPEN A FEW INCHES...JUST ENOUGH TO CRAWL OUT. I WENT BACK IN TO FIND MY PHONE AND CALL 911. AT THAT TIME A PERSON PULLED OVER. I FOUND MY PHONE AND FOR SOME REASON I DECIDED TO TAK