FORD 2013 F-550 v.3 - Manual (Page 154)

Manual Climate Systems
In hot weather, the climate control system is set to MAX A/C.
In moderate weather, the system either heats or cools (based on
previous settings). The rear defroster and heated mirrors are not
automatically turned on.
In cold weather, maximum heat is provided in floor/defrost mode. The
rear defroster and heated mirrors are automatically turned on. If your
vehicle is equipped with a diesel engine and a supplemental heater, the
supplemental heater also turns on.
Automatic Climate Systems
Automatic Settings
The climate control system automatically sets the interior temperature to
72°F (22°C).
In hot weather, the system is set to 72°F (22°C). Cooled seats are set to
high (if available, and selected to AUTO in the information display).
In moderate weather, the system either heats or cools (based on
previous settings). The rear defroster, heated mirrors and heated/cooled
seats are not automatically turned on.
In cold weather, the system is set to 72°F (22°C). The heated seats and
heated steering wheel (if equipped) are set to high. The rear defroster
and heated mirrors are automatically turned on.
Heated and Cooled Devices
The climate control system controls other heated and cooled devices
inside the vehicle. These devices (if equipped) may also be switched
on during remote start. Heated devices are typically switched on during
cold weather, and cooled devices during hot weather. If your vehicle
is equipped with a diesel engine and a supplemental heater, the
supplemental heater also turns on.
Climate Control 153
2013 F-250/350/450/550 (f23)
Owners Guide gf, 3rd Printing, December 2012
USA (fus)