WHEN PARKING THE VEHICLE AND GETTING OUT WITH THE KEYS IN HAND AND NOT OUT TURNING OFF THE ENGINE, THERE IS NOT SOME TYPE OF WARNING SO THAT ONE DOESN'T LEAVE A RUNNING CAR IN A CLOSED GARAGE. I KNOW THAT THIS IS THE DRIVERS FAULT BUT IT HAS HAPPENED TO ME TWICE AND TO A COUPLE IN HIGHLAND PARK, ILL THAT WERE ASPHASTICATED AND DIED FROM THIS TYPE OF OCCURRENCE. I HAVE TALKED TO NIASIAN US HEADQUARTERS TWICE AND THEY INFORMED ME THAT THEY DO NOT ACCEPT AN UNREQUESTED CONSUMER COMMENT AND THAT THEY WOULD NOT CONSIDER AND/OR LOOK INTO THIS TYPE OF OCCURRENCE. EVEN THOUGH THERE HAS BEEN DEATHS DUE TO THIS.