The contact owned a 2016 GMC Sierra 1500. The contact stated that while driving approximately 35 MPH, the vehicle crashed into a deer, causing significant damage to the front end. During the crash, no airbags deployed. The cause of the air bag's failure to deploy was not determined. The vehicle was repaired at the local collision center. Recently, while driving approximately 50 MPH, the driver pressed the brakes to decelerate before crashing into a deer. During the crash, the vehicle sustained minor damage to the front end, but all the air bags in the vehicle deployed, including the driver steering wheel air bag, the front passenger side air bag, the driver and passenger side curtain airbags and seat belt pretensioners, and the passenger side seat air bag. The driver's side seat airbag did not deploy. The contact suffered adverse effects of COPD due to the air bag powder during the deployment. No medical treatment was needed. The cause of the failure was not determined. The manufacturer and local dealer were not contacted. The contact indicated that due to the minor damage to the vehicle during the crash, the air bag should not have deployed. The vehicle was towed to a collision center and was determined to be destroyed. The failure mileage was unknown.