FORD 1998 F-150 - Manual (Page 21)

• PANEL & FLOOR-Distributes
outside air through the
instrument panel registers and
the floor ducts.
• FLOOR-Allows for maximum
heating. Distributes outside air
through the floor ducts.
• FLOOR & DEF-Distributes
outside air through the floor
ducts and the windshield
defroster ducts.
• DEF
-Distributes outside air
through the windshield defroster
ducts. It can be used to clear ice
or fog from the windshield.
Operating tips
• In humid weather, select
before driving. This will
help to prevent your windshield
from fogging. After a few
minutes, select any desired
position.
• To prevent humidity buildup
inside the vehicle, don’t drive
with the climate control system
in the OFF position.
• Don’t put objects under the
front seat that will interfere with
the airflow to the back seats (if
equipped).
Controls and features
21