GMC 2018 Acadia Denali Owner's Manual page 190

Manual Operation
9
: Turn the knob clockwise or
counterclockwise, or touch and hold
the fan control on the display to
increase or decrease the fan speed.
TEMP : Turn the knob clockwise or
counterclockwise, or touch and hold
the temperature controls on the
display to adjust the rear passenger
temperature. If SYNC is lit, the rear
climate temperature is linked to the
driver temperature setting.
/ / or MODE : Touch the
desired mode button on the display
or press MODE on the rear climate
controls to change the direction of
the airflow in the rear seating area.
Repeatedly touch MODE until the
desired mode appears on the
display.
or : If equipped, press
to heat the left or right outboard
seat. See Heated Rear Seats 0 64.
Air Vents
To adjust the center and side air
outlets on the instrument panel, use
the slider switch in the center of the
outlet to change the direction of the
airflow and also to shut off the
airflow.
There may be outlets overhead in
the rear passenger area; adjust as
needed.
Keep all outlets open whenever
possible for best system
performance.
Operation Tips
Clear away any ice, snow,
or leaves from the air inlets at
the base of the windshield that
can block the flow of air into the
vehicle.
or
Clear snow off the hood to
improve visibility and help
decrease moisture drawn into
the vehicle.
Use of non-GM approved hood
deflectors can adversely affect
the performance of the system.
Climate Controls
Keep the path under all seats
clear of objects to help circulate
the air inside the vehicle more
effectively.
If fogging reoccurs while in
modes with mild temperature
throughout the vehicle, turn on
the air conditioner to reduce
windshield fogging.
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