HIT A STATIONARY HONDA CRV ON BLACK ICE AT APPROX 45-50 MPH. IMPACT WAS STRAIGHT ON FRONT OF OUR CAR AND REAR OF THE CRV. OUR BOTH VEHICLES WERE TOTALED, NONE OF OUR AIR BAGS DEPLOYED. OUR VEHICLE WAS THEN HIT FROM THE REAR BY A JEEP WRANGLER AT ABOUT THE SAME SPEED. STILL NO DEPLOYMENT OF AIR BAGS. WE ARE CONCERNED THAT THE AIRBAGS MAY HAVE BEEN DEFECTIVE. ACCIDENT HAPPENED IN A 31 CAR PILE UP ON I-68 NEAR EXIT 29. WE ARE VERY LUCKY THERE WERE NO KNOWN INJURIES OTHER THAN STIFFNESS AND SORE SPOTS. OCCUPANTS WERE DRIVER 52 YRS OLD AND FRONT PASSENGER 17 YRS OLD.