The term 'CAR HEATER SETTING' can be broken down into five crossword solutions: DEICE (5 letters), DEFOG (5 letters), STOVE (5 letters), ARM (3 letters), and GAS (3 letters). DEICE is a setting on a car heater that helps to remove ice from the windshield. DEFOG is a setting on a car heater that helps to clear fog from the windshield. STOVE is a setting on a car heater that helps to keep the interior of the car warm. ARM is a setting on a car heater that helps to direct the flow of air. GAS is a setting on a car heater that helps to regulate the temperature of the air.