Chevrolet Monte 2003 Owner's Manual page 138

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(Recirculation): Press this button to turn the
recirculation mode on. When this mode is on, inside air
and a small percentage of outside air will recirculate
throughout your vehicle. This selection will reduce
the entry of outside air and odors from entering your
vehicle, it may also help heat or cool your vehicle more
quickly. When this button is pressed, an indicator
light in the button will also come on to let you know that
it is activated. During daylight hours, you may have
to adjust the instrument panel brightness control to the
highest setting in order to see the indicator light.
See Interior Lamps on page 3-17 for more information.
The recirculation mode can be used with vent and
bi-level modes, but it cannot be used with floor, defog,
defrost or outside air modes.
This system will default back to the outside air setting,
so you will have to re-select this setting every time
that you start the vehicle.
If the weather is cold and damp, the system may cause
the windows to fog while using the recirculation
mode. If the windows do start to fog, do the following:
1. Select the defog or defrost mode.
2. Select the temperature.
3. Select the highest fan speed.
4. Operate the system in the outside air mode, to help
prevent a recurrence.
3-24
Heating
Adjust the air temperature by using the following levers:
D (Driver): Slide this lever up or down to raise or
lower the temperature on the driver's side of the vehicle.
P (Passenger): Slide this lever up or down to raise
or lower the temperature on the passenger's side of the
vehicle.
To warm your vehicle on cold days, do the following:
1. Select the floor mode.
2. Select the warmest temperature.
3. Select the fan speed.
4. Select outside air mode, after the air has warmed,
to prevent it from becoming too stale.
When it's cold outside 0°F (−18°C) or lower, use the
engine coolant heater, if equipped, to provide warmer air
faster to your vehicle. An engine coolant heater warms
the coolant that the engine uses to provide heat to
warm the inside of your vehicle. For more information,
see Engine Coolant Heater on page 2-20 .