Oldsmobile 2001 Aurora - Manual (Page 166)

3-5
Manual Operation
You may override the automatic airflow distribution by
turning the AUTO
- PUSH knob. After you turn this
knob, the comfort setting will be displayed for five
seconds, then the outside temperature will be displayed.
The fan control will remain in the automatic control
mode unless you turn the AUTO FAN knob to select
a manual fan speed.
PANEL: This setting directs airflow through the
upper air outlets located in the instrument panel.
BI - LEVEL: This setting directs the airflow
through both the panel air outlets and the lower floor
outlets. There is also a small amount of air directed to
the front defroster and the side window defrosters.
FLOOR: This setting directs most of the airflow
to the lower floor outlets with some airflow directed to
the side window defrosters. There is also a small amount
of airflow directed to the front defroster.
DEFOG: This setting directs the majority of
the airflow to the lower floor outlets and the front
defroster. A small amount of airflow is directed to the
side window defroster outlets. This mode can be useful
to remove the moisture from the inside of the windshield
when the outside temperature is cold or the humidity is
high. Be sure the A/C indicator light comes on to allow
the air compressor to come on automatically to help
dehumidify the air.
DEF (Defrost): This setting directs the majority
of the airflow to the windshield with some airflow to
the side window defrosters and lower floor outlets.
To increase the fan speed, turn the AUTO FAN knob
clockwise. If defrost is selected from AUTO mode,
your automatic electronic climate control system will
automatically increase the defrost outlet temperature
and fan speed. For maximum front defrost performance
under extreme icing or frosting conditions, increase the
temperature setting to 90
_F (33_C) and increase
the fan speed to high.
Even though A/C is not selected, in front defrost
mode the A/C compressor will run automatically
at temperatures over approximately 40
_F (4_C) to
improve windshield clearing performance. This
dehumidifies the air to help dry the windshield.
Even though the compressor may be running,
the A/C indicator light will not come on in front
defrost unless you select A/C.