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Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-13688912) -
2020 - CRC - 6/5/19
134 Climate Controls
Climate Control Influence on Fuel
Economy
The climate control system is
dependent upon other vehicle
systems for heat and power input.
Certain climate control settings can
lead to higher fuel usage.
The following climate control
settings use more fuel:
.
Comfort air conditioning mode
.
Defrost mode
.
Extreme temperature settings,
such as 15 °C (60 °F) or 32 °C
(90 °F)
.
High fan speed settings
To help reduce fuel usage:
.
Use the full automatic control as
described under “Automatic
Operation.”
.
Use eco air conditioning, instead
of the comfort air conditioning.
.
Select a temperature setting that
is higher in hot weather and
lower in cold weather.
.
Turn off the air conditioning
when it is not needed.
.
Only use defrost when needed
to clear the windows.
Automatic Operation
The system automatically heats or
cools the vehicle to the desired
temperature:
.
Fan Speed
.
Air Delivery Mode
.
Air Conditioning
.
Recirculation
When AUTO is lit, all four functions
operate automatically. Each function
can also be manually set and the
setting is displayed. Functions not
manually set will continue to be
automatically controlled, even if the
AUTO indicator is not lit.
For automatic operation:
1. Press AUTO.
2. Set the temperature. Allow the
system time to stabilize. Then
adjust the temperature as
needed for best comfort.
To improve fuel efficiency and to
cool the vehicle faster, recirculation
may be automatically selected in
warm weather.
The recirculation light will not come
on when automatically controlled.
Press
h to manually select
recirculation; press it again to select
outside air.
Manual Operation
Driver and Passenger
Temperature Control : The
temperature can be adjusted
separately for the driver and
passenger.
Turn the knob clockwise or
counterclockwise to increase or
decrease the driver or passenger
temperature setting.
SYNC : Press to link all climate
zone settings to the driver settings.
The SYNC indicator light will turn
on. When the passenger settings
are adjusted, the SYNC indicator
light is off.
O : Press the knob to turn the fan
on or off.
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