User Manual - Page 150

For F-450 2020.

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Quickly Cooling the Interior
1. Select MAX A/C.
2. Drive with the windows open for a short
period of time.
Recommended Settings for
Cooling
1. Adjust the blower motor speed to the
center setting.
2. Adjust the temperature control to the
midway point of the cold settings.
3. Direct air to the instrument panel air
vents.
Vehicle Stationary for Extended
Periods During Extreme High
Ambient Temperatures
1. Apply the parking brake.
2. Place your vehicle in park (P) or
neutral.
3. Select MAX A/C.
4. Adjust the blower motor speed to the
lowest speed setting.
Defogging the Side Windows in
Cold Weather
1. Direct air to the instrument panel and
windshield air vents.
2. Press and release A/C.
3. Adjust the temperature control to the
setting you prefer.
4. Adjust the blower motor speed to the
highest setting.
5. Direct air toward the side windows.
6. Close the instrument panel air vents.
HEATED WINDSHIELD (IF
EQUIPPED)
Windshield Wiper De-Icer
E184884
When you switch the heated rear
window on, the windshield wiper
de-icer turns on.
HEATED REAR WINDOW (IF
EQUIPPED)
E184884
Press the button to clear the rear
window of thin ice and fog. The
heated rear window turns off
after a short period of time.
Note: Do not use harsh chemicals, razor
blades or other sharp objects to clean or
remove decals from the inside of the heated
rear window. The vehicle warranty may not
cover damage to the heated rear window
grid lines.
HEATED EXTERIOR MIRRORS
(IF EQUIPPED)
Press the button to clear the
exterior mirrors of thin ice and
fog. Press the button again to
switch them off. They switch off after a
short period of time.
Note: Do not remove ice from the mirrors
with a scraper or adjust the mirror glass
when it is frozen in place. These actions
could cause damage to the glass and
mirrors.
Note: Do not clean the mirror housing or
glass with harsh abrasives, fuel or other
petroleum-based cleaning products.
147
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201909, First-Printing
Climate Control
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