Saturn 2007 Ion Owner's Manual page 158

(Off): To turn the fan off, turn the knob all the
9
way counterclockwise to the off position.
Temperature Control: Turn the right knob
clockwise or counterclockwise to increase or
decrease the temperature inside your vehicle.
>
(Recirculate): This mode keeps outside air
from coming in the vehicle. It can be used to
prevent outside air and odors from entering your
vehicle or to help heat or cool the air inside
your vehicle more quickly. An indicator light will
come on in this mode. The air-conditioning
compressor also comes on. Operation in this mode
during periods of high humidity and cool outside
temperatures may result in increased window
fogging. If window fogging is experienced, select
the defrost mode.
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(Air Conditioning): Press this button to turn
the air-conditioning system on or off. When
this button is pressed, an indicator light above the
button will come on to let you know the air
conditioning is activated.
On hot days, open the windows to let hot inside
air escape; then close them. This helps to reduce
the time it takes for your vehicle to cool down.
It also helps the system to operate more efficiently.
For quick cool down on hot days:
1. Select the recirculation mode.
2. Select air conditioning.
3. Select the coolest temperature.
4. Select the highest fan speed.
Using these settings together for long periods of
time may cause the air inside of your vehicle to
become too dry. To prevent this from happening,
after the air in your vehicle has cooled, turn off the
recirculation by pressing the button again.