WE WERE DRIVING ON A CITY STREET AND WE STARTED TO SMELL BURNED PLASTIC, WE PULLED OVER AND THE SEAT WHERE MY 3 MONTH OLD BABY IN HER CAR SEAT STARTED TO SMOKE, I IMMEDIATELY TOOK THE CAR SEAT OUT AND FLAMES STARTED TO COME OUT FROM BEHIND THE SEAT, POLICE AND FIRE DEPARTMENT CAME AND EXTINGUISHED THE FIRE, FIRE DEPARTMENT TOLD ME IT'S A ELECTRICAL RELATED FIRE.THEY ARE NO SEAT WARMERS ON THE REAR SEATS.