Pontiac 2007 G6 Owner's Manual page 184

Temperature Control: Turn the center knob
clockwise or counterclockwise to increase
or decrease the temperature inside your vehicle.
When it's cold outside 0°F ( 18°C) or lower,
use the engine coolant heater, if the vehicle has
one, to warm air faster in your vehicle. An
engine coolant heater warms the engine coolant
that is used to warm the inside of your vehicle. For
more information, see Engine Coolant Heater on
page 128.
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(Air Conditioning): Press this button to turn
the air conditioning system on or off. When
the air conditioning button is pressed, an indicator
light comes on to indicate that the air conditioning
is activated.
The air conditioning system removes moisture from
the air, so sometimes a small amount of water drips
underneath the vehicle while it is idling or after the
engine is turned off. This is normal.
Maximum Air Conditioning
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.
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For quick cool down on hot days, do the following:
C
1. Select the vent mode.
2. Select the highest fan speed.
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3. Select air conditioning.
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4. Select the recirculation mode.
5. Select the coolest temperature.
Using these settings together for long periods of
time can 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 the recirculation mode off.
If your vehicle has the remote start feature, it will
turn on using the last settings selected on the
climate control before the vehicle was turned off.
The fan and air delivery knobs can be used during
remote start. The buttons will not work until the
ignition is turned on by the key.
The climate control system changes back to
manual operation when the vehicle key is
turned to ON.