Air Bag Not Deploy problems of the 2017 Hyundai Veloster

My accident the air bag did not deploy hitting another vehicle it deployed after hitting a curb which would have been 2 nd impact to deploy it should have come out then, the bar in the head rest came out which cut my head and I received staples in my head. What the other metal things that flew out of the steering I don't know but they cut and burned my arm very bad. I was going straight on a two lane street. When the car backed into to the intersection it did not come from my right or my left. I was 3/4 of the way across the intersection when this car appeared backing up. I could not stop in time and hit it in the rear of their car.

Tl the contact owns a 2017 Hyundai Veloster. While driving 58 mph, the vehicle fishtailed and crashed into a fence. The air bags did not deploy. A police report was filed. There were no injuries. The vehicle was towed to an independent mechanic where the vehicle was deemed destroyed; however, the insurance company stated that the vehicle was able to be repaired. The vehicle was not taken to a dealer or independent mechanic for diagnostic testing or repairs. The manufacturer was not notified of the failure. The VIN was not availble. The failure mileage was approximately 35,000.