Operating Tips - Ford 2009 F-150 Owner's Manual

Climate Controls
4. A/C: Press to activate/deactivate air conditioning. Use with
recirculated air to improve cooling performance and efficiency. A/C
engages automatically in MAX A/C,
(floor/defrost).
5. Recirculated air: Press to activate/deactivate air recirculation in
the vehicle. Recirculated air may reduce the amount of time needed to
cool down the interior of the vehicle and may also help reduce undesired
odors from reaching the interior of the vehicle. Recirculated air engages
automatically when MAX A/C is selected or can be engaged manually in
any airflow mode except
turned off and back on, the climate system will return to the recirculated
air mode only if the A/C button LED is illuminated and the air
distribution selection is either
6. MAX A/C: Distributes recirculated air through the instrument panel
vents to cool the vehicle. This re-cooling of the interior air is more
economical and efficient. Recirculated air may also help reduce
undesirable odors from entering the vehicle. Press the MAX A/C button
again for normal A/C operation.
7. Temperature control: Controls the temperature of the airflow in the
vehicle.
8. Fan speed adjustment: Controls the volume of air circulated in
the vehicle.
9. Power: Press to activate/deactivate the climate control system.
When the system is off, outside air is prevented from entering the
vehicle.

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
system off or with recirculated air engaged.
• 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.
• To improve the A/C cool down, drive with the windows slightly open
for 2-3 minutes after start up or until the vehicle has been "aired out."
42
2009 F-150 (f12)
Owners Guide, 2nd Printing
USA (fus)
(defrost) and
(defrost). When the ignition switch is
(panel) or (panel/floor).
(defrost) or (floor/defrost)