Ford 1997 Crown Victoria Manual page 73

The controls for the manual heating and air conditioning
system
For maximum heating, move the SELECT knob
to FLOOR, move the TEMP knob to the end of
the red range (full clockwise) and move the fan
speed to HI.
To heat the interior of your vehicle and defrost
the windshield at the same time, move the
SELECT knob to MIX and select the temperature
and fan speed desired.
For maximum defrosting, move the SELECT
knob to DEFROST V, move the temperature to
the end of the red range (full clockwise) and
operate the fan as necessary to provide the
volume of air required.
For ventilation, move the SELECT knob to VENT
and select the temperature and blower speed
desired.
To cool the inside of your vehicle quickly, in
warm weather, move the SELECT knob to MAX
A/C, move the TEMP knob to the end of the
blue range (full counterclockwise) and move the
fan to HI.
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