Comfort controls, Climate control system with air conditioning, Fan knob – Oldsmobile 2001 Alero User Manual
Page 144: Temperature knob, Mode knob

3-2
Comfort Controls
With this system, you can control the ventilation and
heating in your vehicle.
Your vehicle also has the flow
-
through ventilation
system described later in this section.
Climate Control System with
Air Conditioning
Fan Knob
The left knob regulates the fan speed. To select the force
of air you want, turn the knob.
Temperature Knob
The center knob regulates the temperature of the air
coming through the system.
Mode Knob
The right knob changes the functions of the system.
UPPER: In this position most of the airflow comes
through the instrument panel outlets. A small amount of
air comes through the floor vents. Set the center knob to
the temperature desired.
BI
-
LEVEL: In this position the airflow comes
through the instrument panel outlets and through the floor
outlets. Set the center knob to the temperature desired.
FLOOR: In this position most of the airflow
comes through the floor outlet. The rest of the air comes
through the windshield and side window vents. Set the
center knob to the temperature desired.
DEFOG: This position divides the airflow
between the floor outlets and the windshield defroster
vent. The air conditioning compressor will run
automatically in this position when it is needed to
help dry the air in the vehicle.