GMC Chevrolet Express 2022 Owner's Manual page 114

)
: Air is divided between the instrument
panel and floor outlets, with some air
directed toward the windshield.
6
: Air is directed to the floor outlets with
some air directed to the windshield and side
windows.
-
: This mode clears the windows of fog or
moisture. Outside air is directed to the floor
and defroster outlets. Adjust the
temperature knob for warmer or cooler air.
The air conditioning compressor might turn
on in this setting to dehumidify the air.
1
: This mode clears the windshield of fog
or frost more quickly. Air is directed to the
windshield, with some to the floor outlets
and front side windows. The air conditioning
compressor might turn on in this setting to
dehumidify the air.
Do not drive the vehicle until all the
windows are clear.
1. Fan Control
2. Temperature Control
3. Air Delivery Mode Control
4. Rear Window Defogger (If Equipped)
On hot days, open the windows to let hot
inside air escape; then close them. This
helps to reduce the time needed for the
vehicle to cool down and the system
operates more efficiently.
#
: Cools and dehumidifies the air inside
of the vehicle.
: Cools the air inside the vehicle faster,
by recirculating the inside air.
Vehicles with Air Conditioning
Rear Window Defogger
If equipped with a rear window defogger, a
warming grid is used to remove fog or frost
from the rear window.
1
: 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 defogger only works when the ignition
is on. The defogger turns off if the ignition
is turned off or to ACC/ACCESSORY.
Climate Controls 113