climate control CADILLAC XT4 2021 Owner's Manual

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . 6
Seats and Restraints . . . . . . . . . . . . . . . 36
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Instruments and Controls . . . . . . . . . . 90
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Infotainment System . . . . . . . . . . . . . 136
Climate Controls . . . . . . . . . . . . . . . . . . 197
Driving and Operating . . . . . . . . . . . . 203
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 281
Service and Maintenance . . . . . . . . . 357
Technical Data . . . . . . . . . . . . . . . . . . . . 370
Customer Information . . . . . . . . . . . . 374
Reporting Safety Defects . . . . . . . . . 384
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Connected Services . . . . . . . . . . . . . . . 392
Index . . . . . . . . . . . . . . . . . . . . . . . . 395
Introduction
The names, logos, emblems, slogans,
vehicle model names, and vehicle
body designs appearing in this manual
including, but not limited to, GM, the
GM logo, CADILLAC, the CADILLAC
Emblem, and XT4 are trademarks and/
or service marks of General Motors
LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada,
substitute the name“General Motors
of Canada Company ”for Cadillac
Motor Car Division wherever it
appears in this manual.
This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle, model variants, country specifications,
features/applications that may not be
available in your region, or changes
subsequent to the printing of this
owner’s manual.
Refer to the purchase documentation
relating to your specific vehicle to
confirm the features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce
guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Litho in U.S.A.
Part No. 84533014 B Second Printing©2020 General Motors LLC. All Rights Reserved.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
INTRODUCTION 5
1.Air Vents 0201.
2. Exterior Lamp Controls 0129.
Turn Signal Lever. See Turn and
Lane-Change Signals 0132.
IntelliBeam System Button (If
Equipped). See Exterior Lamp
Controls 0129.
3. Tap Shift Controls. See Manual
Mode 0231 (If Equipped).
4. Instrument Cluster 099.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0114.
5. Windshield Wiper/Washer 092.
Rear Window Wiper/Washer 094.
6. ENGINE START/STOP Button. See Ignition Positions 0219.
7. Light Sensor. See Automatic
Headlamp System 0131.
8. Home Button. See Overview0137.
9. Dual Automatic Climate Control
System 0197.
10. Heated and Ventilated Front Seats
043 (If Equipped).
11. Lane Keep Assist (LKA) 0265 (If
Equipped). 12.
Power Outlets 095.
13. MODE Switch. See Driver Mode
Control 0236.
14. Stop/Start Disable Switch. See Stop/
Start System 0221.
15. Traction Control/Electronic Stability
Control 0235.
16. Hazard Warning Flashers 0132.
17. USB Port 0147.
18. Infotainment Controls. See Overview 0137.
19. Shift Lever. See Automatic
Transmission 0226.
20. Park Assist Button. See Assistance
Systems for Parking or Backing
0 250.
Automatic Parking Assist (APA)
Button. See Assistance Systems for
Parking or Backing 0250.
21. Steering Wheel Controls 091.
Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) 0114.
22. Horn 092.
23. Steering Wheel Adjustment 091
(Out of View). 24.
Cruise Control 0237.
Adaptive Cruise Control (Advanced)
0 240 (If Equipped).
Heated Steering Wheel 091 (If
Equipped).
Forward Collision Alert (FCA) System
0 258 (If Equipped).
25. Head-Up Display (HUD) 0116 (Out
of View) (If Equipped).
26. Data Link Connector. See Malfunction Indicator Lamp (Check
Engine Light) 0105 (Out of View).
27. Instrument Panel Illumination
Control 0133.
28. Hood Release. See Hood0284 (Out
of View).
29. Electric Parking Brake 0233.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
14 KEYS, DOORS, AND WINDOWS
3. Remove the old battery. Do not usea metal object.
4. Insert the new battery on the back housing, positive side facing down.
Replace with a CR2032 or
equivalent battery.
5. Align the front and back housing then snap the transmitter together.
6. Reinsert the key.
Remote Vehicle Start
This feature allows the engine to be
started from outside of the vehicle.
/: This button is on the RKE
transmitter for remote start. The climate control system will
determine the best mode and
temperature setting for operation
during the remote start. Once the
vehicle is started with the ENGINE
START/STOP button, the climate
control system will begin to operate at
the last customer selected operating
mode and temperature. The rear defog
may come on during remote start
based on cold ambient conditions. The
rear fog indicator light does not come
on during remote start.
If the vehicle has auto heated or
ventilated seats they may come on
during a remote start. See
Heated and
Ventilated Front Seats 043.
Laws in some local communities may
restrict the use of remote starters. For
example, some laws may require a
person using remote start to have the
vehicle in view. Check local
regulations for any requirements.
Do not use remote start if the vehicle
is low on fuel. The vehicle may run
out of fuel. Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0
7.
Starting the Engine Using Remote
Start
1. Press and release
Qon the RKE
transmitter.
2. Immediately press and hold
/for
at least four seconds or until the
turn signal lamps flash. The turn
signal lamps flashing confirms the
request to remote start the vehicle
has been received.
During the remote start the doors
will be locked and the parking
lamps will remain on as long as the
engine is running.
The engine will shut off after
15 minutes unless a time extension
is done or the ignition is turned on.
3. With the RKE transmitter in the vehicle, press the brake pedal and
start the vehicle to drive.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
KEYS, DOORS, AND WINDOWS 19
Open Door Anti-Lockout
If Open Door Anti-Lockout is turned
on and the vehicle is off, the driver
door is open, and locking is requested,
all the doors will lock and the driver
door will remain unlocked. The Open
Door Anti-Lockout feature can be
turned on or off. SeeVehicle
Personalization 0120.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
The safety lock is on the inside edge
of the rear doors. To use the
safety lock:
1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the safety
lock is on: 1. Unlock the door by activating the inside handle, by pressing the
power door unlock switch, or by
using the RKE transmitter.
2. Open the door from the outside.
When the safety lock is enabled,
adults and older children will not be
able to open the rear door from the
inside. Cancel the safety locks to
enable the doors to open from the
inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for the other door.Doors
Liftgate
{Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
.Close all of the windows.
.Fully open the air outlets on or
under the instrument panel.
.Adjust the climate control
system to a setting that brings in
only outside air and set the fan
speed to the highest setting. See
“Climate Control Systems” in the
Index.
(Continued)

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
KEYS, DOORS, AND WINDOWS 29
Power Folding Mirrors
If equipped, press to power fold the
mirrors. Press again to unfold.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
.The mirrors are accidentally
obstructed while folding.
.They are accidentally manually
folded/unfolded.
.The mirrors do not stay in the
unfolded position.
.The mirrors vibrate at normal
driving speeds.Fold and unfold the mirrors one time
using the mirror controls to reset
them to their normal position. A noise
may be heard during the resetting of
the power folding mirrors. This sound
is normal after a manual folding
operation.
Remote Mirror Folding
If equipped, press and holdQon the
RKE transmitter for approximately
one second to automatically fold the
exterior mirrors. Press and hold
Kon
the RKE transmitter for approximately
one second to unfold. See Remote
Keyless Entry (RKE) System Operation
0 7.
This feature is turned on or off
through vehicle personalization. See
Vehicle Personalization 0120.
Heated Mirrors
K:Press to heat the mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control System
0 197.
Automatic Dimming Mirror
If the vehicle has the automatic
dimming mirror, the driver outside
mirror automatically adjusts for the
glare of headlamps behind you.
Reverse Tilt Mirrors
If equipped with reverse tilt mirrors
and memory seats, the passenger and/
or driver mirror tilts to a preselected
position when the vehicle is in
R (Reverse). This allows the curb to be
seen when parallel parking.
The mirror(s) may move from their
tilted position when:
.The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about 30 seconds.
.The vehicle is turned off.
.The vehicle is driven in R (Reverse)
above a set speed.
To turn this feature on or off, see
Vehicle Personalization 0120.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
44 SEATS AND RESTRAINTS
Uplevel Buttons Shown, Base ButtonsSimilar
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the engine must be
running.
Press
Jorzto heat the driver or
passenger cushion and seatback.
Press
Cor{to ventilate the driver
or passenger seat.
Press the button once for the highest
setting. With each press of the button,
the seat will change to the next lower
setting, and then to the off setting.
The indicator lights above the buttons indicate three for the highest setting
and one for the lowest. If the front
heated seats are on high, the level
may automatically be lowered after
approximately 30 minutes.
A ventilated seat has a fan that pulls
or pushes air through the seat. The air
is not cooled.
The passenger seat may take longer to
heat up.
Auto Heated and Ventilated Seats
If the vehicle is equipped with auto
heated or ventilated seats, and the
engine is running, this feature will
automatically activate the heated or
ventilated seats at the level required
by the vehicle's interior temperature.
The active high, medium, low, or off
heated or ventilated seat level will be
indicated by the manual heated and
ventilated seat buttons on the center
stack. Use the manual heated and
ventilated seat buttons on the center
stack to turn auto heated or ventilated
seats off. If the passenger seat is
unoccupied, the auto heated or
ventilated seats feature will not
activate that seat. The auto heatedand ventilated seats feature can be
programmed to always be enabled
when the vehicle is on. If equipped
with a heated steering wheel, the auto
heated steering wheel activation will
follow the heated seat auto activation
and the heated wheel indicator will
follow the state of the steering
wheel heat.
See
Vehicle Personalization 0120.
Remote Start Heated and Ventilated
Seats
If equipped, the heated seats will turn
on automatically during a remote
start if it is cold outside and the
ventilated seats will turn on
automatically if it is hot outside.
If equipped, the heated steering wheel
will turn on automatically during a
remote start if it is cold outside. The
heated and ventilated seat indicators
and heated steering wheel indicator
may not come on during this
operation.
The heated and ventilated seats and
heated steering wheel may cancel
when the vehicle is started. These

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
INSTRUMENTS AND CONTROLS 121
3. Touch to select the desired featuresetting.
4. Touch
9orRto turn a feature off
or on.
5. Touch
zto go to the top level of
the Settings menu.
The menu may contain the following:
Rear Seat Reminder
This allows for a chime and a message
when the rear door has been opened
before or during operation of the
vehicle.
Touch Off or On.
Climate and Air Quality
Touch and the following may display:
.Auto Fan Speed
.Auto Cooled Seats
.Auto Heated Seats
.Auto Defog
.Auto Rear Defog
.Ionizer Auto Fan Speed
This setting specifies the amount of
airf low when the climate control fan
setting is Auto Fan.
Touch Low, Medium, or High.
Auto Cooled Seats
This setting automatically turns on
and regulates the ventilated seats
when the cabin temperature is warm.
See
Heated and Ventilated Front Seats
0 43.
Touch Off or On.
Auto Heated Seats
This setting automatically turns on
and regulates the heated seats when
the cabin temperature is cool. The
auto heated seats can be turned off by
using the heated seat buttons on the
center stack. See Heated and Ventilated
Front Seats 043.
Touch Off or On.
Auto Defog
This setting automatically turns the
front defogger on when the engine is
started.
Touch Off or On. Auto Rear Defog
This setting automatically turns the
rear defogger on when the engine is
started.
Touch Off or On.
Ionizer
If equipped and on, this feature helps
to clean the air inside the vehicle and
remove contaminants such as pollen,
odors, and dust. See
Dual Automatic
Climate Control System 0197.
Touch Off or On.
Collision / Detection Systems
Touch and the following may display:
.Alert Type
.Forward Collision System
.Front Pedestrian Detection
.Rear Pedestrian Detection
.Adaptive Cruise Go Notifier
.Lane Change Alert
.Rear Camera Park Assist Symbols
.Rear Cross Traffic Alert

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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INFOTAINMENT SYSTEM 139
When in Valet Mode, if equipped,
access to the infotainment functions
is disabled. See“Valet Mode,”under
Vehicle Personalization 0120.
g:Press to answer an incoming call
or start voice recognition. See
Bluetooth (Pairing and Using a Phone)
0 171 or
Bluetooth (Overview) 0170.
c:Press to decline an incoming call
or end a current call. Press to mute or
unmute the infotainment system
when not on a call.
CorB: Press to go to the next or
previous favorite when listening to the
radio. Press to go to the next or
previous track when listening to a
media source.
SorT: Press to move between the
interactive displays in the instrument
cluster. Press
Sto go back to the
previous menu.
yorz: Use the thumbwheel to
scroll to the previous or next
selection.
V: Press the thumbwheel to open a
menu or select a menu item. Press
and hold to reset certain displays.
x+ orx− :Press to increase or
decrease the volume.
Using the System
Audio
Touch the Audio icon to display the
active audio source page. Examples of
available sources may include AM,
FM, SXM (if equipped), MyMedia,
USB, and Bluetooth.
Phone
Touch the Phone icon to display the
Phone main page. See Bluetooth
(Pairing and Using a Phone) 0171 or
Bluetooth (Overview) 0170.
Nav
If equipped, touch the Nav icon to
display the navigation map. See Using
the Navigation System 0151.
Wi-Fi Hotspot
Touch the Wi-Fi Hotspot icon to
display the Wi-Fi Hotspot information.
See Settings 0177.
Climate
Touch the Climate icon to display the
Climate main page. See Dual
Automatic Climate Control System
0 197.
Users
If equipped, touch the Users icon to
sign in or create a new user profile,
and follow the on-screen instructions.
Only four user profiles can be active at
one time in the vehicle. It may be
necessary to remove a profile from the

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
182 INFOTAINMENT SYSTEM
.Bose AudioPilot Noise
Compensation Technology (If
Equipped): This feature adjusts the
volume based on the noise in the
vehicle and the speed.
Touch Off or On.
.Manage Favorites: Touch to display
a list of Audio, Mobile Devices, and
Navigation favorites.
Favorites can be moved, renamed,
or deleted.
To move, touch and hold the
favorite, and then drag up or down
to rearrange the position.
.Set Number of Audio Favorites:
Touch to select how many favorites
pages can be viewed from the audio
application. The Auto setting will
automatically adjust this number
based on the number of favorites
you have saved. Touch Auto, 5, 10,
15, 20, 25, 30, 35, or 40.
.RDS: This allows the Radio Data
System (RDS) to be turned on or off.
Touch the controls on the
infotainment display to disable or
enable.
.HD Radio: This allows HD Radio
reception to be turned on or off.
Touch the controls on the
infotainment display to disable or
enable.
.Explicit Content Filter: This setting
allows access to explicit content
SiriusXM channels.
Touch Off or On.
.Manage Phones: Select to connect
to a different phone source,
disconnect a phone, or delete a
phone.
.Reset Music Index: This allows the
music index to be reset if you are
having difficulty accessing all of the
media content on your device.
Touch Yes or No.
Climate
Touch and the following may display:
.Auto Fan Speed: This setting
specifies the amount of airflow
when the climate control fan setting
is Auto Fan.
Touch Low, Medium, or High.
.Air Quality Sensor: This setting
switches the system into
Recirculation Mode based on the
quality of the outside air.
Touch Off, Low Sensitivity, or High
Sensitivity.
.Auto Cooled Seats: This setting
automatically turns on and
regulates the ventilated seats when
the cabin temperature is warm.
Touch the controls on the
infotainment display to disable or
enable.
.Auto Heated Seats: This setting
automatically turns on and
regulates the heated seats when the
cabin temperature is cool. The auto
heated seats can be turned off by
using the heated seat controls on
the center stack.
Touch the controls on the
infotainment display to disable or
enable.
.Auto Defog: This setting
automatically turns the front
defogger on when the vehicle engine
is started.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
14584367) - 2021 - CRC - 10/14/20
CLIMATE CONTROLS 197
Climate Controls
Climate Control Systems
Dual Automatic Climate ControlSystem . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Air Vents
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Maintenance
Passenger Compartment AirFilter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Climate Control Systems
Dual Automatic Climate Control System
The climate control buttons on the center stack and on the climate control
display are used to adjust the heating, cooling, and ventilation.
1. ON/OFF
2. AUTO (Automatic Operation)
3. Air Delivery Mode Controls
4. Driver Temperature Control
5. Fan Control
6. Passenger Temperature Control 7. A/C (Air Conditioning)
8. Recirculation
9. SYNC (Synchronized Temperature)
10. Max Defrost
11. Rear Window Defogger