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Buick ROADMASTER 1996 Manual page 131

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From the AUTO mode, pressing the temperature to
90°F (33
O
C ) will automatically allow the system to
select the high fan speed and FLOOR mode.
From the AUTO mode, pressing the temperature to
60 O F (1 6
O
C ) will automatically allow the system to
select the high fan speed and
MIDDLE
mode to
recirculate air.
AUTO:
When the system is set for automatic, air will
come from the heater outlets, the upper outlets or both.
Fan speed will vary (unless an arrow on the FAN button
has been pressed) as the system gets to and maintains
the temperature setting you have selected.
The selected temperature, the fan speed and AUTO will
appear on the display.
In cold weather, the system will delay turning on the
fan to avoid blowing cold air. The length of the delay
depends on engine coolant temperature, outside
temperature and time since the engine was last started.
Pressing an arrow on the FAN button will override this
delay and turn on the fan.
MIDDLE: Pressing this button directs the air through
the upper outlets.
BLEND: This setting directs the airflow to the upper
outlets and the heater outlets.
FLOOR: Pressing this setting directs all airflow to the
heater outlets.
VENT: Use this setting when you don't want to cool the
air coming into your vehicle. The airflow will come
from the upper outlets.
OFF: When the system is off, the ventilation allows air
to flow through the heater outlets while the vehicle is
moving.
The exterior temperature will show in the display area.
Fan Speeds
The speed of the fan is controlled automatically if you
have the fan on AUTO. However, you can control the
fan speed with the FAN button.
The fan speed will go lower or higher with every press of
the button until the lowest or highest speed is reached.
3-3

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