GMC Cadillac CT5 2021 Manual page 204

Automatic Operation
To place the system in
automatic mode:
1. Press AUTO.
2. Set the driver and passenger
temperature.
To find your comfort setting, start
with 22 °C (72 °F) and 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 to manually select
recirculation; press it again to select
outside air.
Do not cover the solar sensor on the
top of the instrument panel near the
windshield. This sensor regulates air
temperature based on sun load. See
Sensors later in this section.
Manual Operation
ON/OFF : Press to turn the climate
control system on or off. When the
system is off, outside air will be
prevented from entering the vehicle.
When the system is on, a button is
pressed, or knob is turned, the climate
control system will turn on and
deliver airflow per the current setting.
9
: Press the fan controls on the
center stack or the climate control
display to increase or decrease the fan
speed. Press and hold the controls to
adjust speed more quickly.
Press AUTO to return to automatic
operation.
Driver and Passenger Temperature
Control : The temperature can be
adjusted separately for the driver and
w x
the passenger. Press /
increase or decrease the temperature.
SYNC : Press to link the passenger
and rear climate temperature settings,
if equipped, to the driver setting. The
SYNC indicator light will turn on.
When the passenger or rear climate
temperature settings are adjusted, the
SYNC indicator light is off.
CLIMATE CONTROLS
The driver side or passenger side
temperature display shows the
temperature setting increasing or
decreasing.
Air Delivery Mode Control : Press
z
, or to change the direction of
the airflow. An indicator light comes
on in the selected mode button. All
three buttons or any combination of
the three buttons can be used to
select the air delivery mode.
Changing the mode cancels the
automatic operation and the system
goes into manual mode. Press AUTO
to return to automatic operation.
z
: This mode clears the windows of
fog or moisture. Air is directed to the
windshield, outboard panel outlets,
and side window vents. The system
automatically forces outside air into
to
the vehicle and the air conditioning
compressor will run, unless the
outside temperature is close to
freezing.
: Air is directed to the instrument
panel outlets.
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