WHILE DRIVING 50-55 MPH ON WET/SNOWY AND ICY ROAD CONDITIONS VEHICLE WAS INVOLVED IN A REAR END CRASH, VEHICLE SLAMMED INTO THE BACK OF ANOTHER VEHICLE, DAMAGING THE WHOLE FRONT END; ALSO, THERE WAS NO DEPLOYMENT OF DRIVER'S AIR BAG AND SHOULDER BELT DID NOT RESTRAIN THE DRIVER FROM HITTING HIS HEAD ON THE WINDSHIELD OF VEHICLE. VEHICLE IS BEING REPAIRED. *AK