WHEN THE BRAKE PEDAL WAS DEPRESSED TO SLOW DOWN THE VEHICLE WHEN APPROACHING AN INTERSECTION AT 20 - 25 MPH IT FAILED TO DO SO. AS A RESULT, CONSUMER APPLIED MORE FORCE TO THE BRAKE PEDAL. THEN, TABS LOCKED UP AND THE VEHICLE SKIDDED. VEHICLE STOPPED WHEN IT SMASHED INTO ANOTHER VEHICLE. UPON IMPACT, NONE OF THE FRONTAL AIR BAGS DEPLOYED. THIS INCIDENT OCCURRED WHILE DRIVING ON A WET ROAD. PRIOR TO THE ACCIDENT, BRAKE PEDAL VIBRATED WHEN DEPRESSED. *AK