THERE IS NO NON HEATED FRESH AIR THAT CAN COME INTO VEHICLE WHILE CONSUMER IS DRIVING NO MATTER WHAT CONSUMER DOES. CONSUMER HAD AN ACCIDENT IN WHICH VEHICLE REAR ENDED ANOTHER VEHICLE AT ABOUT 5 MPH. CONTACTED DEALER, AND DEALER REALLY DID NOT HAVE A REMEDY FOR PROBLEM. *AK AIR VENTILATOR MALFUNCTIONED. *YH