DRIVING ABOUT 25 MPH, WENT TO APPLY (ABS) BRAKES & THEY FAILED TO WORK; REARENDED ANOTHER VEHICLE; AIR BAG DIDN'T DEPLOY; VEHICLE TOWED TO BODY SHOP; INSURANCE INSPECTOR LOOKED AT VEHICLE & FOUND NOTHING WRONG; SATURN REPRESENTATIVE SAID ABS NEEDED CHANGING & SAID OTHER BRAKES WERE WORKING FINE. *AK