DRIVING ALONG HWY 71 EAST, FELL ASLEEP AT THE WHEEL AND RAN INTO THE BACK OF THE VEHICLE IN FRONT OF ME. THERE WAS CONSIDERABLE DAMAGE TO BOTH VEHICLES. THE AIR BAG SYSTEM IN MY STEERING WHEEL DID NOT DEPLOY. ONLY BECAUSE I WAS ASLEEP DID I AVOID SERIOUS INJURY AND ALSO I WAS WEARING MY SEATBELT. THE PROBLEM HAS NOT BEEN CORRECTED AT THIS TIME.*K