WHEN ATTEMPTING TO MAKE AN EMERGENCY STOP IN TRAFFIC THAT CAME TO A SUDDEN HOLT, ANTI-LOCK BRAKES DID NOT RESPOND. PEDAL WAS APPLIED, AND VEHICLE JUST BEGAN SLIDING, HITTING ANOTHER VEHICLE IN REAR. AIR BAGS DID NOT DEPLOY, AND SEAT BELTS DID NOT RESTRAIN. KIA HAS BEEN CONTACTED. *AK