Ford 1998 Expedition Owner's Manual page 47

In order for the auxiliary A/C-heater
controls to function, the driver's
auxiliary A/C-heater control must be
set to REAR.
The instrument panel climate
controls must be on in order for the
auxiliary A/C-heater to operate.
When the auxiliary A/C-heater control is set to FLOOR, airflow only
occurs from the third row seat floor vent located in the driver's side rear
quarter trim panel.
When the auxiliary A/C-heater control is set to PANEL, airflow occurs
from the overhead 2nd and 3rd row vents.
Turn the fan speed control knob to
the desired speed.
Turn the temperature control to the
desired temperature.
You can get warm or cool air
through either the overhead
registers or floor vent by turning the
auxiliary mode selector:
Far left for airflow to the
overhead registers.
Far right for airflow to the rear
floor vent.
Controls and features
OFF
REAR
HI
COOL
COOL
OFF
COOL
WARM PANEL FLOOR
PANEL
WARM
LO
HI
WARM
47