Tl* the contact owns a 2012 chevrolet silverado 1500. while the vehicle was idling at a traffic light, the seat belt pretensioner deployed without warning. after the failure occurred, the air bag warning indicator illuminated. the vehicle was taken to lafontaine chevrolet (7120 dexter ann arbor rd, dexter, mi 48130, (734) 680-8850) where the contact was informed that moisture may have caused the failure. the vehicle was not diagnosed or repaired. the manufacturer was made aware of the failure. the failure mileage was approximately 52,000. *tt *jb