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Ventilation System
Adjust the direction of
airflow by m0vin.g the
louvered vents.
For mild outside temperatures, when little heating or
cooling is needed, press the A/C button on the manual
system
to
deactivate the air conditioner. RECIRC,
DEFOG and DEFROST must also be off. Air will flow
through the heater outlets. Adjust the temperature
control lever to a comfortable level.
The automatic system will recirculate the air inside the
vehicle for maximum air conditioning performance if
the inside of the vehicle is hot. The automatic system
will return to circulating outside air once the vehicle
interior has cooled down.
Defogging and Defrosting
Fresh air from outside your vehicle flows through your
Buick when the vehicle is moving. When the vehicle is
not moving, you can get outside air to flow through by
selecting any air choice, except the rear window
defogger (and any fan speed if you have the manual
climate control system).
DEFROST: This setting directs the airflow to the
defrost outlet and some to the heater outlet. Use defrost
when you want to remove fog or ice from the windshield.
Fan speed will be controlled automatically, or you can
choose another speed by pressing the FAN button.
DEFOG: This setting directs the airflow to the defrost
outlet to keep the windshield clear and to the heater
outlet for passenger comfort.
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