TL*THE CONTACT OWNS A 2006 PONTIAC SOLSTICE. WHILE DRIVING 70 MPH, THE CONTACT CHANGED LANES TO THE CENTER LANE AND THE VEHICLE BEGAN TO SKID BECAUSE THE REAR WHEELS LOST ALL TRACTION; BECAUSE OF THE FAILURE, THE FRONT AXLE CRACKED. THE CONTACT BELIEVED THE FAILURE TO BE BECAUSE OF A DEFECTIVE REAR DIFFERENTIAL. THE VEHICLE WAS DEEMED DESTROYED. THE VEHICLE HAD NOT BEEN INSPECTED. THE CURRENT AND FAILURE MILEAGES WERE APPROXIMATELY 15,000.