TL*THE CONTACT OWNS A 2004 CHEVROLET TRAILBLAZER. THE CONTACT STATED THAT THE VEHICLE WAS PARKED WHEN HE ATTEMPTED TO INSTALL A CHILD SAFETY SEAT IN THE THIRD ROW SEATING, BUT NONE OF THE SEAT BELTS WOULD SUCCESSFULLY TIGHTEN AND RETAIN THE CHILD SEAT. THE VEHICLE WAS NOT TAKEN TO HAVE THE FAILURE DIAGNOSED OR REPAIRED. THE CONTACT ALSO STATED THAT THE HEADLIGHTS WERE EXPERIENCING A RECURRING FAILURE IN WHICH THEY WOULD PERIODICALLY BURN OUT. UPON EXAMINING THE HEADLIGHT HOUSING, THE CONTACT NOTICED THAT THE WIRES WERE BURNED. THE CONTACT STATED THAT HE REPLACED EACH HEADLIGHT APPROXIMATELY THREE TIMES. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURES. THE APPROXIMATE FAILURE MILEAGE WAS 85,000. THE VIN WAS UNAVAILABLE.