Buick REGAL 1997 Manual page 165

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FLOOR: This setting sends most of the air through
the ducts near the floor. The rest comes out of the
defroster and side window vents.
W F R O N T This setting brings in outside air and
directs most of the air through the defrost vent. Some
of the air also goes to the floor ducts and the side
window defogger outlets. The indicator on the button
will light and WINDSHIELD will be lit in the display.
The air conditioning compressor will run automatically
in this setting unless the outside temperature is below
40°F (4°C).
VENT: This pushbutton turns the air conditioning
compressor on and off. The indicator lights when
the compressor is turned off. Recirculation is not
permitted when the compressor is off. The system
will try to control the temperature automatically, but
without the compressor.
RECIRC: This setting recirculates much of the air
inside your ve.hicle. This setting is not permitted in
FRONT defrost mode and is only permitted in
WINDSHIELD/FLOOR mode if the compressor
is turned on. The indicator light will be lit when
Recirculation is engaged, but will light for one second
and then turn off if selected when not permitted.
Air Conditioning
On very hot days, open the windows long enough to let
hot, inside air escape. This reduces the time for the
vehicle to cool down.
For a quick cool-down
on
very hot days, use MAX with
the temperature knob all the way in the blue area. If this
setting is used for long periods of time, the air in your
vehicle may become too dry.
For normal cooling on hot days, use NORM with the
temperature knob in the blue area. The system will bring
in outside air and cool it.
On cool, but sunny days, the sun may warm your upper
body, but your lower body may not be warm enough.
You can use BI-LEV and set the temperature knob to a
comfortable setting. The system will bring in outside air
and direct it to your upper body, while sending slightly
warmed air to your lower body. You may notice this
temperature difference more at some times than others.
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