FORD 2009 F-550 v.3 - Manual (Page 82)

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: Distributes recirculated air through the instrument panel
vents only 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.
: Distributes air through the instrument panel vents.
: Distributes air through the instrument panel vents and the floor
vents.
O (OFF): Outside air is shut out and the fan will not operate.
: Distributes air through the floor vents.
: Distributes air through the windshield defroster vents and floor
vents.
: Distributes outside air through the windshield defroster vents. Can
be used to clear ice or fog from the windshield.
4. (Recirculated air): Press to activate/deactivate air
recirculation in cabin. Recirculated air may reduce the amount of time to
cool down the interior of the vehicle and may also help reduce undesired
odors from reaching the interior of the vehicle. Recirculation engages
automatically with selection of MAX A/C or can be engaged manually in
any other airflow selection except defrost. Recirculation may turn off
automatically in all airflow selections except MAX A/C.
5. A/C: Press to activate/deactivate air conditioning. Use with
recirculated air to improve cooling performance and efficiency. Engages
automatically in MAX A/C,
and .
6. (Heated mirrors): Press to turn the heated mirrors on and off.
The heated mirrors turn off automatically after 10 minutes.
7. (Heated seats): Press to turn the heated seats on and off. The
heated seats turn off when the ignition is turned off.
2009 F-250/350/450/550 (f23)
Owners Guide, 3rd Printing
USA (fus)
Climate Controls
82