Cadillac CT4 2023 Owner's Manual page 230

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even if the outside
temperatures are below
freezing.
@
: Press to turn on
recirculation. An indicator light
comes on. Air is recirculated to
quickly cool the inside of the
vehicle. It can also be used to
help reduce outside air and
odors that enter the vehicle.
The air conditioning
compressor also comes on
when this mode is activated.
Rear Window Defogger
The rear window defogger
uses a warming grid to remove
fog from the rear window.
: 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 rear window defogger
only works when the vehicle is
on. The defogger can be
turned off by turning the
vehicle off or to
accessory mode.
Caution
Using a razor blade or sharp
object to clear the inside
rear window can damage
the rear window defogger.
Repairs would not be
covered by the vehicle
warranty. Do not clear the
inside rear window with
sharp objects.
Heated Mirror : If equipped
with heated outside mirrors,
the mirrors heat to help clear
fog or frost from the surface
of the mirror when the rear
window defog button is
pressed. See Heated Mirrors
0 30.
Remote Start Climate
Control Operation :
If equipped with remote start,
the climate control system
may run when the vehicle is
started remotely. The rear
defog may come on during
remote start based on cold
Climate Controls
ambient conditions. The rear
defog indicator light does not
come on during a remote start.
If equipped, the heated seats
will turn on if it is cold outside
or the ventilated seats will
turn on if it is hot outside. The
heated and ventilated seat
indicator lights may not come
on during a remote start.
If equipped, the heated
steering wheel will come on in
a remote start if it is cold
outside. The heated steering
wheel indicator light may not
come on.
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
229

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