Climate Controls; Dual Climate Control System - Chevrolet 2003 Impala Owner's Manual

Climate Controls
Dual Climate Control System
With this system you can control the heating, cooling
and ventilation for your vehicle.
Manual Operation
Turn the right knob clockwise or counterclockwise to
direct the airflow inside of your vehicle.
To change the current mode, select one of the following:
2
(Vent):
This mode directs air to the instrument
panel outlets.
+2
(Bi-Level): This mode directs approximately half of
the air to the instrument panel outlets, then directs
most of the remaining air to the floor outlets. Some air
may be directed to the windshield.
(Floor): This mode directs most of the air to the
floor outlets with some air directed to the outboard
outlets (for the side windows) and some air is directed
to the windshield.
The right knob can also be used to select defog or
defrost mode. For more information, see "Defogging and
Defrosting" later in this section.
@
(Fan): Turn the left knob clockwise or
counterclockwise to increase or decrease the fan speed.
If the airflow seems low when the fan is at the highest
setting, the passenger compartment air filter, if equipped,
may need to be replaced. For more information, see
Passenger Compartment Air Filter on page 3-26 and Part
A: Scheduled Maintenance Services on page 6-4.
a
(Outside Air): Press this button to turn the
outside air mode on. When this mode is on, outside
air will circulate throughout your vehicle. When the
button is pressed, an indicator light in the button
will come on to let you know that it is activated.
You may have to set the instrument panel brightness
control to the highest setting during the day to see
the indicator light. The outside air mode can be used
with all modes, but it cannot be used with the
recirculation mode.
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