FORD 1999 F-150 - Manual (Page 56)

Audio system warranties and service
Refer to the “Warranty Guide” for audio system warranty information.
If service is necessary, see your dealer or a qualified technician.
CLIMATE CONTROL SYSTEM
Heater only system (if equipped)
Fan speed control
Controls the volume of air circulated
in the vehicle.
Temperature control knob
Controls the temperature of the
airflow inside the vehicle. On
heater-only systems, the air cannot
be cooled below the outside
temperature.
Mode selector control
Controls the direction of the airflow
to the inside of the vehicle.
• PANEL-Distributes outside air through the instrument panel registers.
• OFF-Outside air is shut out and the fan will not operate.
• PANEL & FLOOR-Distributes outside air through the instrument panel
registers and the floor ducts.
HI
COOL WARM
OFF PANEL
FLOOR
DEF
FLR
& DEF
PANEL &
FLOOR
LO
HI
LO
COOL WARM
OFF PANEL
FLOOR
DEF
FLR
& DEF
PANEL &
FLOOR
Controls and features
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