GMC Hummer EV 2024 Owner's Manual page 163

GMC Hummer EV Owner Manual (GMNA-Localizing-MidEast-16639039) -
2024 - CRC - 3/20/23
setting is displayed. Functions not manually
set will continue to be automatically
controlled, even if the AUTO indicator is not
lit. When enabled, the climate controls will
remain in auto mode through power cycles.
For automatic operation:
1. Touch AUTO.
2. Set the temperature. Allow the system
time to stabilize. Adjust the temperature
as needed for best comfort.
To improve efficiency and to cool the vehicle
faster, recirculation may be automatically
selected in warm weather.
Manual Operation
9
: Press up or down to increase or
decrease fan speed. Toggle all the way
down to turn the fan off. When off is
selected, a small amount of air may still
come out of the outlets depending on the
vehicle s speed. If any buttons are pressed,
the climate control system will turn on and
operate at the current setting.
Touch AUTO to return to automatic
operation.
Driver and Passenger Temperature Control :
The temperature can be adjusted separately
for the driver and passenger.
SYNC : Touch to link the passenger
temperature setting to the driver setting.
Air Delivery Mode Control : Touch to change
the direction of the airflow. Any
z
combination of , , or can be
selected.
Changing the mode cancels the automatic
operation and the system goes into manual
mode. Touch AUTO to return to automatic
operation.
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.
0
MAX : Air is directed to the
windshield and the fan runs at a higher
speed if not already above a medium fan
speed. This mode overrides the previous
mode selected and clears fog or frost from
the windshield quickly. When the control is
pressed again, the system returns to the
previous mode setting and fan speed.
Climate Controls
For best results, clear all snow and ice from
the windshield before defrosting.
@
: Touch to turn on recirculation. An
indicator light comes on. Air is recirculated
to quickly cool the interior of the vehicle.
It can also be used to help reduce outside
air and odors that enter the vehicle.
Avoid using recirculation for long periods of
time in cold or damp conditions. Using
recirculation in cold or damp conditions can
result in window fogging.
A/C : Press to turn the air conditioning on
or off. An indicator light comes on to show
that the air conditioning is enabled. If the
fan is turned off, the air conditioner will
not run.
Heat : Press to turn the heater on or off.
The air conditioning compressor is used to
provide heat to the cabin and may run
when HEAT is enabled.
Rear Window Defogger
1
REAR : If equipped, 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.
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