The contact owned a 2002 Chevrolet Trailblazer. The contact stated that while driving 40 mph and not noticed that the vehicles ahead were stopped at a traffic light, causing him to crash into the vehicles in front. The air bags failed to deploy. A police report was filed. The vehicle was towed and totaled. The contact received chest and head injuries. Medical attention was needed. The manufacturer was not made aware of the failure. The approximate failure mileage was unknown. The VIN was not available.