TL* THE CONTACT OWNS A 2010 NISSAN ARMADA. WHILE DRIVING APPROXIMATELY 50 MPH, THE CONTACT NOTICED SMOKE EMITTING FROM THE REAR OF THE VEHICLE. IMMEDIATELY THE VEHICLE WAS MANEUVERED TO THE SIDE OF THE ROAD WHERE THE CONTACT DETECTED THE SMOKE ORIGINATED FROM THE REAR DRIVER'S SIDE BRAKE CALIPER. THE VEHICLE WAS TOWED TO AN AUTHORIZED DEALER WHO INFORMED THE BRAKE CALIPER LOCKED WHICH RESULTED TO THE HEATED TIRE RIM AND SMOKE. THE PART WAS UNAVAILABLE AND THE VEHICLE WOULD BE REPAIRED UPON THE AVAILABILITY OF THE PART. THE MANUFACTURER WAS NOT NOTIFIED OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 44,800.