WHILE DRIVING ON A BACK ROAD BETWEEN 25-30 MPH VEHICLE STARTED PULLING TO LEFT. THIS RESULTED IN THE VEHICLE CRASHING INTO AN EMBANKMENT. UPON IMPACT, THE VEHICLE TURNED AROUND AND WENT BACKWARDS 15 YARDS. THE VEHICLE WAS TOTALED. THE DRIVER HAD TO CLIMB OUT OF THE WINDOW TO EXIST THE VEHICLE. THE POLICE OFFICER INDICATED THAT THIS OCCURRED DUE TO AN EQUIPMENT FAILURE. THE AXLE BROKE ON THE REAR PASSENGER WHEEL. *AK