Chevrolet 2003 Cavalier Owner's Manual page 127

Temperature Control: Turn the center knob clockwise
or counterclockwise to manually increase or decrease
the temperature inside your vehicle.
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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, switch from recirculation
to vent, bi-level or floor.
The air-conditioning system removes moisture from the
air, so you may sometimes notice a small amount of
water dripping underneath your vehicle while idling
or after turning
off
the engine. This is normal.
Defogging and Defrosting
Fog on the inside of windows is a result of high humidity
(moisture) condensing on the cool window glass. This
can be minimized if the climate control system is
used properly. There are two modes to clear fog or frost
from your windshield and side windows. Use the
defog mode to clear the windows of fog or moisture and
warm the passengers. Use the defrost mode to
remove fog or frost from the windshield more quickly.
For best result.., clear all snow and ice from the
windshield before defrosting.
Turn the right knob to select the defog or defrost mode.
+3
(Defog): This mode directs half of the air to the
windshield and the side window outlets and half to the
floor outlets. When you select this mode, the system
runs the air-conditioning compressor unless the outside
temperature is at or below freezing. The air-conditioning
indicator light will also be on in this setting. To defog
the windows faster, turn the temperature control
knob clockwise to the warmest setting.
(Defrost): This mode directs most of the air to the
windshield, with some air directed to the side window
outlets and the floor outlets. When you select this mode,
the system runs the air-conditioning compressor
unless the outside temperature is at or below freezing.
The air-conditioning indicator light will also be on in
this setting.
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