. OPERATION DETAILED CONTROLS AND GAUGES Heater and Defroster Control Panel (1) (2) (3) Vent selector switch FRESH/RECIRC selector switch Temperature control switch (4) (5) (6) Air flow selector switch OFF switch Defroster selector lever Vent Selector Switch (Sending Air to Face) If this switch (1) is pressed, the air from the heater is all directed to the face. 3 - 46 HEATER AND DEFROSTER CONTROLS (If equipped