TL* THE CONTACT OWNS A 2006 NISSAN ARMADA. WHILE DRIVING VARIOUS SPEEDS, THE BRAKES ERRONEOUSLY ACTIVATED ABRUPTLY AND STOPPED THE VEHICLE. DURING THE INCIDENT, SMOKE WAS PRESENT COMING FROM THE BRAKES. THE VEHICLE WAS EXAMINED BY AN INDEPENDENT MECHANIC WHO REPLACED THE BRAKE CYLINDER, BUT THE FAILURE CONTINUED. THE MANUFACTURER AND LOCAL DEALER WERE NOT NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 170,000.