DAUGHTER WAS TRAVELING DOWN INTERSTATE AND STEERING WHEEL LOCKED UP. SHE WAS UNABLE TO CONTROL CAR SO SHE PULLED AND JERKED THE WHEEL. IN DOING SO WHEN THE STEERING UNFROZE HER CAR ROLLED OVER TWICE. CAR WAS TOTALED. WE ADVISED GM, WHO TOLD US THEY WOULD INVESTIGATE. AT THIS TIME THEY ARE ADMITING TO FINDING NO PROBLEM.*AK