I WAS DRIVING MY 2007 TOYOTA CAMRY LE ABOUT 55 MILES AN HOUR ON A THREE LANE INTERSTATE FREEWAY. I WAS IN THE SLOW LANE AND MY CAR SUDDENLY AND VIOLENTLY TURNED TO THE LEFT, CAUSING THE CAR TO HIT A LARGE RV IN THE CENTER LANE. THE CAR CONTINUE SPINNING ACROSS THE FAST LANE (IT'S AMAZING NO CARS WERE IN THAT LANE BECAUSE TRAFFIC WAS FAIRLY HEAVY). THE BACK END OF MY CAR HIT THE CENTER CEMENT BARRIER HARD (CAR TOTALED) AND I CAME TO A STOP ON THE INSIDE SHOULDER FACING THE OPPOSITE DIRECTION OF WHERE I WAS ORIGINALLY TRAVELING. THE AIRBAG DID NOT GO OFF AND THE LOCKING PART OF THE SEATBELT DIDN'T SEEM TO WORK. I COULD HAVE BEEN EASILY KILLED OR KILLED SOMEONE ELSE. I WILL CONTACT TOYOTA. THERE IS NO EXCUSE FOR THIS.