Tl* the contact owns a 2010 mazda 3. while driving 70 mph, the driver side curtain air bag inadvertently deployed without warning or impact. the contact sustained a minor bruise to the ribs. medical attention was not required. the vehicle was taken to a local dealer (fairway mazda of savannah 10101 abercorn street, savannah, ga, 31406), but the cause of the failure could not be determined. the manufacturer was notified of the failure and sent out an engineer who determined that the vehicle had front passenger side suspension damagae, which caused the air bag deployment. the vehicle was taken to an independent mechanic and was repaired. the failure mileage was approximately 63,000.