Buick 2002 Regal Owner's Manual page 153

FAN: Press the up arrow to increase fan speed and
the down arrow to decrease fan speed. The fan must be
turned on for the air conditioning compressor to operate.
TEMP (Temperature): The TEMP switch sets the
temperature for the entire cabin when the light on the
DUAL light button isn't lit. When the DUAL button
light is lit, the TEMP switch sets the temperature for
the driver's side only. Press the up arrow to raise the
temperature and press the down arrow to lower the
temperature. The display will show your selection
for a few seconds, then the outside temperature will
be displayed.
VENT: This setting turns the air conditioning
compressor on and off. The indicator is lit 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.
VENT is not permitted in FRONT defrost mode. If the
VENT button is pushed while in FRONT defrost mode,
the indicator will light briefly and then turn off.
RECIRC (Recirculation): This setting recirculates
much of the air inside your vehicle. This setting is not
permitted in FRONT defrost mode and is only permitted
in WINDSHIELD/FLOOR mode if the air conditioning
compressor is turned on. The indicator light will be lit
when recirculation is engaged, but will light briefly and
then turn off if selected when not permitted.
Operating the climate control system in the RECIRC
mode may cause fogging of the vehicle's windows when
the weather is cold and damp. To clear the fog, switch
the system to either WINDSHIELD/FLOOR or
WINDSHIELD mode and increase the fan speed. To
avoid refogging of the windows, operate the system with
RECIRC off.
FRONT: 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 seen on the
display. The air conditioning compressor will run
automatically in this setting unless the outside
temperature is below 40 _ F (4 _ C).
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