2009 Mercury Grand Marquis Owner's Manual - Page 37

Climate Controls MANUAL HEATING AND AIR CONDITIONING SYSTEM (IF EQUIPPED) 1 2 3 1. Fan speed adjustment: Controls the volume of air circulated in the vehicle. 2. Temperature selection: Controls the temperature of the airflow in the vehicle. 3. Air flow selections: Controls the direction of the airflow in the vehicle. See the following for a brief description on each control. MAX A/C: Uses recirculated air to cool the vehicle. Air flows from the instrument panel vents only. This mode will help prevent unpleasant odors from entering the vehicle. NORM A/C: Uses outside air to cool the vehicle. Air flows from the instrument panel vents only. VENT: Distributes outside air through the instrument panel vents. OFF: Outside air is shut out and the fan will not operate. FLOOR: Distributes outside air through the floor vents. MIX: Distributes outside air through the windshield defroster vents, floor vents and side window demisters. : Distributes outside air through the windshield defroster vents and the side window demisters. LO OFF VENT FLOOR NORM A/C MAX A/C MIX HI Operating tips • To reduce fog build up on the windshield during humid weather, place the air flow selector in the position. • To reduce humidity build up inside the vehicle: do not drive with the air flow selector in OFF or MAX A/C. • Under normal weather conditions, do not leave the air flow selector in MAX A/C or OFF when the vehicle is parked. This allows the vehicle to "breathe" using the outside air inlet vents. • Do not put objects under the front seats that will interfere with the airflow to the back seats. • Remove any snow, ice or leaves from the air intake area at the base of the windshield. During extreme high ambient temperatures when idling stationary for extended periods of time in gear, it is recommended to run the A/C in 37 2009 Grand Marquis (grn) Owners Guide (own2002), 2nd Printing USA (fus)