The contact owns a 2007 Chevrolet Silverado 1500. The contact stated while driving 30 MPH, the air bag warning light illuminated. The independent mechanic was made aware of the failure and informed the contact that it was not a safety issue. The contact stated that while driving the next day, the air bag inadvertently exploded and projected burning particles on his face and chest. The contact stated the air bag was filled with smoke. The contact stated he was able to drive the vehicle to his residence. The contact sustained injuries on his chest and on his face and sought medical attention. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The dealer and the manufacturer were not made aware of the failure. The approximate failure mileage was 300,000.