GMC Sierra 2500 HD 2024 Owner's Manual page 196

194 Climate Controls
The fan, air delivery mode, air conditioning,
driver and passenger temperatures, and Sync
settings can be controlled by touching
CLIMATE on the infotainment home screen.
A selection can then be made on the front
climate control page displayed.
The fan speed setting appears briefly on the
display screen when the center stack climate
controls are adjusted.
Automatic Operation
The system automatically controls the fan
speed, air delivery, air conditioning, and
recirculation in order to heat or cool the
vehicle to the desired temperature.
When AUTO is lit, all four functions operate
automatically. Each function can also be
manually set and the selected 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. 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. See
under Manual Operation for more details.
Manual Operation
9
: Press to increase or decrease the fan
speed. The fan speed setting appears on the
main display. Pressing either button cancels
automatic fan control and the fan is
controlled manually.
Press AUTO to return to automatic
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. The driver
side or passenger side temperature display
shows the temperature setting increasing or
decreasing.
SYNC : Press to link the passenger
temperature setting to the driver setting.
The SYNC indicator light will turn on. When
the passenger setting is adjusted, the SYNC
indicator light will turn off.
@
Air Delivery Mode Control : Press
or to change the direction of the
airflow. Any combination of the three
controls can be selected. 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.
To change the current mode, select one or
more of the following:
z
: Air is directed to the windshield,
outboard A/C outlets, and side window
outlets.
: Air is directed to the A/C outlets.
: Air is directed to the floor outlets,
with some air directed to the windshield,
outboard A/C outlets, and side window
outlets.
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