TURNED CORNER ON IRONWOOD46615 AND REAR ENDED CAR THAT STOPPED SUDDENLY. CRUSHED MY FRONT END BACK TO PUNCTURING THE RADIATOR. NO AIR BAG DEPLOYED AND NO SEAT BELT ON IMPACT. MY KNEES HIT THE DASH UNDER THE STEERING WHEEL. NO ONSTAR AS NO AIRBAG DEPLOYED. HOLDING STEERING WHEEL WAS MY ONLY DETERRENT TO HITTING FORWARD. REPAIRS COST $5000.+ AND GM DEALER INSISTED AIRBAG AND SEAT BELT WERE FUNCTIONING. KNEES STILL HURT. AND SEEN DOCTOR ABOUT KNEES AND GOING AGAIN SOON. I AM REPORTING THIS AFTER HEARING THAT THERE ARE RECALLED ON SEAT BELTS AND AIRBAGS ON DRIVER SIDE. *TR