MY DAUGHTER AND I WERE INVOLVED IN A COLLISION AT APPROX 65MPH WITH A 24' FLATBED TRAILER THAT DETACHED ITSELF FROM A VEHICLE HEADED THE OPPOSITE DIRECTION. MY VAN HAD SEVERE FRONTAL/RIGHT FRONTAL DAMAGE. ON STAR WAS NOTIFIED UPON IMPACT-BY THE AIR BAG DEPLOYMENT SENSORS-AND DISPATCHED EMS FOR ME. THE DRIVER, PASSENGER AND SIDE AIR BAGS DID NOT DEPLOY. THE ON STAR SYSTEM SHOWS THEY DID. *AK