Cadillac XT4 2023 Owner's Manual page 225

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224
Climate Controls
A/C : Press to turn the air
conditioning system on or off.
If the climate control system is
turned off or the outside
temperature falls below
freezing, the air conditioner
will not run.
Pressing this button cancels
automatic air conditioning and
turns off the air conditioner.
Press AUTO to return to
automatic operation and the
air conditioner runs
automatically as needed.
When the indicator light is on,
the air conditioner runs
automatically to cool the air
inside the vehicle or to dry the
air needed to defog the
windshield faster.
: Press to turn on
recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the
vehicle or to reduce the entry
of outside air and odors.
Auto Defog : The climate
control system may have a
sensor to automatically detect
high humidity inside the
vehicle. When high humidity is
detected, the climate control
system may adjust to outside
air supply and turn on the air
conditioner. The fan speed
may slightly increase to help
prevent fogging. If the climate
control system does not
detect possible window
fogging, it returns to normal
operation. To turn Auto Defog
off or on, select Settings >
Climate and Air Quality > Auto
Defog > Select ON or OFF.
Ionizer : If equipped with an
ionizer, this feature helps to
clean the air inside the vehicle
and remove contaminants
such as pollen, odors, and
dust. If the climate control
system is on and the ionizer is
enabled, the ionizer status
indicator will be lit on the
climate control display. To turn
the Ionizer off or on, select
Settings > Climate and Air
Quality > Ionizer > Select ON
or OFF.
Rear Window Defogger
: 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 can be turned
off by turning the vehicle off
or to accessory mode.
To turn Auto Rear Defog off
or on, select Settings >
Climate and Air Quality > Auto
Rear Defog > Select ON or
OFF. When auto rear defog is
selected, the rear window
defogger turns on
automatically when the
interior temperature is cold
and the outside temperature
is about 7 °C (44 °F) and below.
The auto rear defogger turns
off automatically.
If equipped, the heated
outside mirrors turn on when
the rear window defogger
button is on and help to clear

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