2019 CHEVROLET IMPALA Owner's Manual

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
152 Climate Controls
Climate Controls
Climate Control Systems
Climate Control Systems . . . . . 152
Dual Automatic ClimateControl System . . . . . . . . . . . . . 155
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . 159
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . 160
Service . . . . . . . . . . . . . . . . . . . . . . . 160
Climate Control Systems
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
1. Fan Control
2. Air Conditioning or Comfort/
Eco Air Conditioning (Stop/
Start Only)
3. Air Delivery Modes
4. Defrost
5. TEMP (Temperature Control)
6. Rear Window Defogger
7. Recirculation Climate Control Influence on Stop/
Start Operation and Fuel Economy
(If Equipped)
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 and/or
fewer Auto Stops.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
Climate Controls 153
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 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.
Fan Control : Turn the knob
clockwise or counterclockwise to
increase or decrease the fan speed.
Temperature Control : Turn the
knob clockwise or counterclockwise
to increase or decrease the
temperature setting. Air Delivery Modes :
PressY,\,
[, or-to change the direction of
the airflow. An indicator light comes
on in the selected mode button.
Y: Air is directed to the instrument
panel outlets.
\: Air is directed to the instrument
panel outlets and the floor outlets.
[: Air is directed to the floor
outlets.
-: Air is directed to the windshield
and floor outlets to clear the
windows of fog or moisture.
0: Press to clear the windshield
of fog or frost more quickly. Air is
directed to the windshield and side
window outlets.
For best results, clear all snow and
ice from the windshield before
defrosting.
A/C (For Non-Stop/Start
Vehicles) : Press to turn the air
conditioning on or off. If the fan is
turned off, the air conditioner will not
run and the indicator light may
turn off. A/C (For Stop/Start Vehicles) :
Press to cycle between the off, eco,
and comfort air conditioning modes.
The indicator will be lit in comfort
and eco modes and turns off when
there is no A/C function. If the fan is
turned off, the air conditioner will not
run and the indicator light may
turn off.
For comfort a/c, press A/C. The
indicator will turn amber.
For eco a/c, press A/C again. The
indicator will turn green. This setting
balances fuel economy and air
conditioning comfort. In warm
weather conditions, Auto Stops may
occur more frequently and the
vehicle interior may be warmer as
compared to the comfort air
conditioning setting. This setting
allows higher humidity inside the
vehicle and window fogging before
the engine restarts.
Pressing
0during an Auto Stop
may restart the engine to prevent
window fogging. To reach comfort
levels quickly during an Auto Stop,

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
154 Climate Controls
the engine will restart if the air
conditioner is off and A/C is
selected.
If temperature controls are adjusted
cooler during an Auto Stop, the
engine may restart to ensure that
comfort is reached.
L:Press to turn on
recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the vehicle
or reduce the outside air and odors
that may enter.
Rear Window Defogger
K: Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.
The upper region of gridlines on the
rear window are antenna lines and
are not intended to heat when the
defogger is activated. If equipped with heated outside
mirrors, they turn on with the rear
window defogger and help to clear
fog or frost from the surface of the
mirror. See
Heated Mirrors 044.
Caution
Using a razor blade or sharp
object on the inside rear window
can damage the antenna or
defogger. Repairs would not be
covered by the vehicle warranty.
Do not stick anything to the rear
window.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
Climate Controls 155
Dual Automatic Climate Control System
The heating, cooling, and ventilation for the vehicle can be controlled with
this system.
1. Driver and PassengerTemperature Controls
2. Air Conditioning or Comfort/ Eco Air Conditioning (Stop/
Start Only)
3. Fan Control
4. Defrost 5. SYNC
6. Rear Window Defogger
7. Air Delivery Modes
8.
O(Fan On/Off)
9. Recirculation
10. AUTO (Automatic Operation) Climate Control Influence on Stop/
Start Operation and Fuel Economy
(If Equipped)
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 and/or
fewer Auto Stops.
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.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
156 Climate Controls
.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
hto 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. Fan Control :
Turn the knob
clockwise or counterclockwise to
increase or decrease the fan speed.
Press AUTO to return to automatic
operation.
Air Delivery Modes : Press
Y,\,
[, or-to change the direction of
the airflow. An indicator light comes
on in the selected mode button.
Changing the mode cancels the
automatic operation and the system
goes into manual mode. Press
AUTO to return to automatic
operation.
Y: Air is directed to the instrument
panel outlets.
\: Air is directed to the instrument
panel outlets and the floor outlets.
[: Air is directed to the floor
outlets.
-: Air is directed to the windshield
and floor outlets to clear the
windows of fog or moisture.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
Climate Controls 157
0:Press to clear the windshield
of fog or frost more quickly. Air is
directed to the windshield and side
window outlets.
For best results, clear all snow and
ice from the windshield before
defrosting.
A/C (For Non-Stop/Start
Vehicles) : Press to turn the air
conditioning on or off. If the fan is
turned off, the air conditioner will not
run and the indicator light may
turn off.
Press AUTO to return to automatic
operation and the air conditioner
runs as needed. When the indicator
light is on, the air conditioner runs
automatically to cool the air inside
the vehicle or to dry the air as
needed to defog the windshield
faster.
A/C (For Stop/Start Vehicles) :
Press to cycle between the off, eco,
and comfort air conditioning modes.
The indicator will be lit in comfort
and eco modes and turns off when
there is no A/C function. If the fan is turned off, the air conditioner will not
run and the indicator light may
turn off.
Press AUTO to return to automatic
operation and the air conditioner
runs automatically as needed. When
the indicator light is on, the air
conditioner runs automatically to
cool the air inside the vehicle or to
dry the air as needed to defog the
windshield faster.
For comfort a/c, press A/C. The
indicator will turn amber.
For eco a/c, press A/C again. The
indicator will turn green. This setting
balances fuel economy and air
conditioning comfort. In warm
weather conditions, Auto Stops may
occur more frequently and the
vehicle interior may be warmer as
compared to the comfort air
conditioning setting. This setting
allows higher humidity inside the
vehicle and window fogging before
the engine restarts.
Pressing
0during an Auto Stop
may restart the engine to prevent
window fogging. To reach comfort levels quickly during an Auto Stop,
the engine will restart if the air
conditioner is off and AUTO or A/C
is selected.
If temperature controls are adjusted
cooler during an Auto Stop, the
engine may restart to ensure that
comfort is reached.
L:
Press to turn on
recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the vehicle
or prevent outside air and odors
from entering.
Auto Defog : The climate control
system may have a sensor to
automatically detect high humidity
inside the vehicle. When high
humidity is detected, the climate
control system may adjust to
outside air supply and turn on the
air conditioner. The fan speed may
slightly increase to help prevent
fogging. If the climate control
system does not detect possible
window fogging, it returns to normal
operation. To turn Auto Defog off or

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
158 Climate Controls
on, see“Climate and Air Quality”
under Vehicle Personalization
0 132.
Rear Window Defogger
K:Press to turn the rear window
defogger on or off. An indicator light
on the button comes on to show that
the rear window defogger is on.
The upper region of gridlines on the
rear window are antenna lines and
are not intended to heat when the
defogger is activated.
If equipped with heated outside
mirrors, they turn on with the rear
window defogger and help to clear
fog or frost from the surface of the
mirror. See Heated Mirrors 044.
Caution
Using a razor blade or sharp
object on the inside rear window
can damage the antenna or
defogger. Repairs would not be
covered by the vehicle warranty.
Do not stick anything to the rear
window. Remote Start Climate Control
Operation :
If equipped with remote
start, the climate control system
may run when the vehicle is started
remotely. The system uses the
driver ’s previous settings to heat or
cool the inside of the vehicle. The
rear defog may come on during
remote start based on cold ambient
conditions. The rear defog indicator
light may not come on during a
remote start. The front heated seats
may turn on if it is cold outside. The
heated seat indicator lights may not
come on during a remote start.
See Remote Vehicle Start 034 and
Heated and Ventilated Front Seats
0 60, if equipped.
Sensors
The solar sensor on top of the
instrument panel near the
windshield monitors the solar heat.
The climate control system uses the
sensor information to adjust the
temperature, fan speed,
recirculation, and air delivery mode
for best comfort.
If the sensor is covered, the
automatic climate control system
may not work properly.

Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-12146115) -
2019 - crc - 8/27/18
Climate Controls 159
Air Vents
Center Air Vents
Move the thumbwheels (1) left or
right to open or close off the airflow.
Use the slider knobs (2) on the air
vents to change the direction of the
airflow.Side Air Vents
Move the thumbwheels (1) up or
down to open or close off the
airflow.
Use the slider knobs (2) to change
the direction of the airflow.
Operation Tips
.
Clear away any ice, snow,
or leaves from air inlets at the
base of the windshield that could
block the flow of air into the
vehicle. .
Clear snow off the hood to
improve visibility and help
decrease moisture drawn into
the vehicle.
. Keep all outlets open whenever
possible for best system
performance.
. Keep the paths under all seats
clear of objects to help circulate
the air inside the vehicle more
effectively.
. Use of non-GM approved hood
deflectors can adversely affect
the performance of the system.
. Do not attach any devices to the
air vent louvers. This restricts
airflow and may cause damage
to the air vents.