alarm CADILLAC XT4 2023 Owners Manual

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
8 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Key . . . . . . . . . . . . . . . . . . . . . 9
Remote Key Operation . . . . . . 9
Remote Vehicle Start . . . . . . . 18
Door Locks . . . . . . . . . . . . . . . . . . . . 20
Power Door Locks . . . . . . . . . . 22
Delayed Locking . . . . . . . . . . . . . 22
Automatic Door Locks . . . . . 23
Lockout Protection . . . . . . . . . 23
Safety Locks . . . . . . . . . . . . . . . . . 24
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . 24
Vehicle Security
Vehicle Security . . . . . . . . . . . . . 32
Vehicle Alarm System . . . . . . 32
Immobilizer . . . . . . . . . . . . . . . . . . . . 33
Immobilizer Operation . . . . . 33
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 34
Power Mirrors . . . . . . . . . . . . . . . 34
Folding Mirrors . . . . . . . . . . . . . . 35
Heated Mirrors . . . . . . . . . . . . . . 36Automatic Dimming
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 36
Reverse Tilt Mirrors . . . . . . . . 36
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 36
Manual Rearview Mirror . . . 36
Automatic Dimming Rearview Mirror . . . . . . . . . . . . 36
Rear Camera Mirror . . . . . . . . 37
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 39
Power Windows . . . . . . . . . . . . . 39
Sun Visors . . . . . . . . . . . . . . . . . . . . . 41
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 42
Keys and Locks
Keys
{Warning
Leaving children in a vehicle
with a remote key is
dangerous and children or
others could be seriously
injured or killed. They could
operate the power windows
or other controls or make
the vehicle move. The
windows will function with
the remote key in the
vehicle, and children or
others could be caught in
the path of a closing
window. Do not leave
children in a vehicle with a
remote key.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
10 Keys, Doors, and Windows
Other conditions can impact
the performance of the
remote key. See Remote Key
09.
With Power Liftgate Shown,
Without Similar
Q:Press to lock all doors. The
turn signal indicators may
flash and/or the horn may
sound on the second press to
indicate locking. To view
available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to display the list of available
options and select
“Remote
Lock, Unlock, Start”.
If the driver door is open when
Qis pressed, all doors will lock
and the driver door will
immediately unlock, if Open
Door Anti-Lockout is enabled.
To view available settings for
this feature, touch the
Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Power Door Locks”.
If the passenger door is open
when
Qis pressed, all
doors lock.
Pressing
Qmay also arm the
alarm system. See Vehicle
Alarm System 032.
K:Press to unlock the driver
door. Press
Kagain within
five seconds to unlock all
doors. The remote key can be
programmed to unlock all
doors on the first button
press. To view available settings for this feature, touch
the Settings icon on the
infotainment home page.
Select
“Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
The turn signal indicators may
flash to indicate unlocking.To
view available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to
display the list of available
options and select “Remote
Lock, Unlock, Start”. When
remotely unlocking the vehicle
at night, the lights come on
briefly to light your approach
to the vehicle.
Pressing
Kwill disarm the
alarm system. See Vehicle
Alarm System 032.
Press and hold
Kuntil the
windows fully open. Windows
will not operate unless remote
window operation is enabled.
To view available settings for

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Keys, Doors, and Windows 11
this feature, touch the
Settings icon on the
infotainment home page.
Select“Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
/: Press and releaseQand
then immediately press and
hold
/for at least
four seconds to start the
engine from outside the
vehicle using the remote key.
See Remote Vehicle Start 018.
7:Press and release one time
to initiate vehicle locator. The
exterior lamps flash and the
horn chirps three times. Press
and hold
7for three seconds
to sound the panic alarm. The
horn sounds and the turn
signal lamps flash for
30 seconds, or until
7is
pressed again or the vehicle is
started.
b: Press twice quickly to
open or close the liftgate. Press once to stop the liftgate
from moving.
Keyless Access Operation
With the Keyless Access
system, you can lock and
unlock the doors and access
the liftgate without removing
the remote key from your
pocket, purse, briefcase, etc.
The remote key should be
within 1 m (3 ft) of the liftgate
or door being opened.
Keyless Access can be
programmed to unlock all
doors on the first lock/unlock
press from the driver door.
Keyless access can also be
turned off. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select
“Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”. If equipped with memory
seats, remote keys 1 and 2 are
linked to seating positions of
memory 1 or 2. See Memory
Seats
050.
Keyless Unlocking/Locking
from the Driver Door
When the doors are locked
and the remote key is within
1 m (3 ft) of the driver door
handle, pressing the lock/
unlock button on the driver
door handle will unlock the
driver door. If the lock/unlock
button is pressed again within
five seconds, all passenger
doors will unlock.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
12 Keys, Doors, and Windows
Driver Shown, PassengerSimilar
Pressing the lock/unlock
button will cause all doors to
lock if any of the following
occur:
.It has been more than
five seconds since the first
lock/unlock button press.
.Two lock/unlock button
presses were used to unlock
all doors.
.Any vehicle door has opened
and all doors are now closed. Keyless Unlocking/Locking
from Passenger Doors
When the doors are locked
and the remote key is within
1 m (3 ft) of the door handle,
pressing the lock/unlock
button on that door handle will
unlock all doors. Pressing the
lock/unlock button will cause
all doors to lock if either of the
following occurs:
.The lock/unlock button was
used to unlock all doors.
.Any vehicle door has opened
and all doors are now closed.
Disable/Enable Keyless
Unlocking of Exterior Door
Handles and Liftgate
If equipped, keyless unlocking
of the exterior door handles
and liftgate can be disabled
and enabled.
Disabling Keyless Unlocking:
With the vehicle off, press and
hold
QandKon the remote
key at the same time for
approximately three seconds.
The turn signal lamps will flash four times quickly to indicate
access is disabled. Using any
exterior handle to unlock the
doors or open the liftgate will
cause the turn signal lamps to
flash four times quickly,
indicating access is disabled.
If disabled, disarm the alarm
system before starting the
vehicle.
Enabling Keyless Unlocking:
With the vehicle off, press and
hold
QandKon the remote
key at the same time for
approximately three seconds.
The turn signal lamps will flash
twice quickly to indicate
access is enabled.
Passive Locking
With Keyless Access this
vehicle will lock several
seconds after all doors are
closed if the vehicle is off and
at least one remote key has
been removed or none remain
in the interior.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
32 Keys, Doors, and Windows
Vehicle Security
This vehicle has
theft-deterrent features;
however, they do not make
the vehicle impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft
alarm system.
The indicator light, on the
instrument panel near the
windshield, indicates the
status of the system.
Off :Alarm system is
disarmed. On Solid :
Vehicle is secured
during the delay to arm the
system.
Fast Flash : Vehicle is
unsecured. A door, the hood,
or the liftgate is open.
Slow Flash : Alarm system is
armed.
Arming the Alarm System
1. Close the liftgate and the hood. Turn off the vehicle.
2. Lock the vehicle in one of three ways:
.Use the remote key.
.Use the Keyless Access
system.
.With a door open, press
the inside
Q.
3. After 30 seconds the alarm system will arm, and
the indicator light will begin
to slowly flash indicating
the alarm system is
operating. Pressing
Qon
the remote key a second
time will bypass the 30-second delay and
immediately arm the alarm
system.
The vehicle alarm system will
not arm if the doors are locked
with the key.
If the driver door is opened
without first unlocking with
the remote key, the horn will
chirp and the lights will flash
to indicate pre-alarm. If the
vehicle is not started, or the
door is not unlocked by
pressing
Kon the remote key
during the 10-second
pre-alarm, the alarm will be
activated.
The alarm will also be
activated if a passenger door,
the liftgate, or the hood is
opened without first disarming
the system. When the alarm is
activated, the turn signals
flash and the horn sounds for
about 30 seconds. The alarm
system will then re-arm to
monitor for the next
unauthorized event.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Keys, Doors, and Windows 33
Disarming the Alarm
System
To disarm the alarm system or
turn off the alarm if it has
been activated:
.PressKon the remote key.
.Unlock the vehicle using the
Keyless Access system.
.Start the vehicle.
To avoid setting off the alarm
by accident:
.Lock the vehicle after all
occupants have left the
vehicle and all doors are
closed.
.Always unlock a door with
the remote key or use the
Keyless Access system.
Unlocking the driver door with
the key will not disarm the
system or turn off the alarm.
How to Detect a Tamper
Condition
IfKis pressed and the horn
chirps and the lights flash
three times, the alarm was
activated while the alarm
system was armed.
If the alarm system has been
activated, a message will
appear on the DIC.
Immobilizer
See Radio Frequency
Statement 0446.
Immobilizer Operation
This vehicle has a passive
theft-deterrent system.
The system does not have to
be manually armed or
disarmed.
The vehicle is automatically
immobilized when the vehicle
is turned off. The immobilization system is
disarmed when the ignition is
on or in accessory mode and a
valid remote key is present in
the vehicle.
The security light, in the
instrument cluster, comes on if
there is a problem with arming
or disarming the
theft-deterrent system.
The system has one or more
remote keys matched to an
immobilizer control unit in your
vehicle. Only a correctly
matched remote key will start
the vehicle. If the remote key
is ever damaged, you may not
be able to start your vehicle.
When trying to start the
vehicle, the security light may
come on briefly when the
ignition is turned on.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
OnStar 453
With Roadside Assistance,
Advisors can locate a nearby
service provider to help with a
flat tire, a battery jump, or an
empty gas tank.
Security
If equipped, OnStar provides
these services:
.With Stolen Vehicle
Assistance, OnStar Advisors
can use GPS to pinpoint the
vehicle and help authorities
quickly recover it.
.With Remote Ignition Block,
if equipped, OnStar can
block the vehicle from being
restarted.
.With Stolen Vehicle
Slowdown, if equipped,
OnStar can work with law
enforcement to gradually
slow the vehicle down.
Theft Alarm Notification
If equipped, if the doors are
locked and the vehicle alarm
sounds, a notification by text,
email, or phone call is sent.If the vehicle is stolen, an
OnStar Advisor can work with
authorities to recover the
vehicle.
OnStar Additional
Information
In-Vehicle Audio
Messages
Audio messages may play
important information at the
following times:
.Prior to vehicle purchase.
Press
Qto set up an
account.
.After change in ownership
and at 90 days.
Transferring Service
PressQto request account
transfer eligibility information.
The Advisor can cancel or
change account information.
Selling/Transferring the
Vehicle
Call 1-888-4ONSTAR
(1-888-466-7827) immediately
to terminate your OnStar or
connected services if the
vehicle is disposed of, sold,
transferred, or if the
lease ends.
Reactivation for
Subsequent Owners
PressQand follow the
prompts to speak to an
Advisor as soon as possible.
The Advisor will update vehicle
records and explain OnStar or
connected service options.
How OnStar Service
Works
Automatic Crash Response,
Emergency Services, Crisis
Assist, Stolen Vehicle
Assistance, Remote Services,
and Roadside Assistance are
available on most vehicles. Not
all OnStar services are
available everywhere or on all

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
INDEX 461
IndexA
About Driving the Vehicle . . . . . 2
Accessories andModifications . . . . . . . . . . . . . . . . .327
Accessory Power . . . . . . . . . . . 253
Active
Fuel Management . . . . . . . . . 255
Adaptive Cruise Control . . . . . . . . . . . . . . . 273
Add-On Electrical
Equipment . . . . . . . . . . . . . . . . . . . 325
Additional OnStar Information . . . . . . . 453
Adjustments
Lumbar, Front Seats . . . . . . . 48
Agreements Trademarks andLicense . . . . . . . . . . . . . . . . . . . . . . 212
Air
Cleaner/Filter, Engine . . . . 337
Conditioning . . . . . . . . . . . . . . . . . 221
Filter Life System . . . . . . . . . 336
Filter, PassengerCompartment . . . . . . . . . . . . . 226
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Airbag System . . . . . . . . . . . . . . . . . 65 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Airbag System (cont'd)
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 70
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . . . 72
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 70
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . 70
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69
Where Are the Airbags? . . . . . . . . . . . . . . . . . . . . . . 67
Airbags Adding Equipment to
the Vehicle . . . . . . . . . . . . . . . . . . . 77
Passenger Status Indicator . . . . . . . . . . . . . . . . . . . . . 125
Readiness Light . . . . . . . . . . . . . 124
Replacing System Parts after a Crash . . . . . . . 78
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . 76
Alarm
Vehicle Security . . . . . . . . . . . . . 32

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
INDEX 471
Routing, EngineDrive Belt . . . . . . . . . . . . . . . . . . . . . 434
Running the Vehicle While Parked . . . . . . . . . . . . . . . . 256
S
SafetyLocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Safety Defects Reporting Canadian Government . . . 447
General Motors . . . . . . . . . . . . 447
U.S. Government . . . . . . . . . . 447
Safety System Check . . . . . . . . 64
Satellite Radio . . . . . . . . . . . . . . . . . 167
Scheduling Appointments . . . . . . . . . . . . . . . . 441
Sealant Kit, Tire . . . . . . . . . . . . . . 390
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 57
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Extender . . . . . . . . . . . . . . . . . . . . . . . 64
How to Wear SeatBelts Properly . . . . . . . . . . . . . . 58
Lap-Shoulder Belt . . . . . . . . . . . 60
Reminders . . . . . . . . . . . . . . . . . . . . 123
Replacing after a Crash . . . 65
Use During Pregnancy . . . . . 63
Seats Head Restraints . . . . . . . . . . . . . 45 Seats (cont'd)
Heated and Ventilated,
Front . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Heated, Rear . . . . . . . . . . . . . . . . . . 56
Lumbar Adjustment, Front . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Massage . . . . . . . . . . . . . . . . . . . . . . . 49
Memory . . . . . . . . . . . . . . . . . . . . . . . . 50
Power Adjustment,
Front . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Reclining Seatbacks . . . . . . . . 47
Securing Child Restraints . . . . . . . . . . . . . . . . . 95, 98
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 453
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Vehicle Alarm . . . . . . . . . . . . . . . . . 32
Service . . . . . . . . . . . . . . . . . . . . . . . . . 226 Accessories and
Modifications . . . . . . . . . . . . . . . 327
Doing Your Own Work . . . 328
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Maintenance Records . . . . . 431
Maintenance, General
Information . . . . . . . . . . . . . . . . 423 Service (cont'd)
Parts Identification . . . . . . . 432
Scheduling
Appointments . . . . . . . . . . . . . . 441
Services Special Application . . . . . . . . 428
Servicing System . . . . . . . . . . . . . 187
Servicing the Airbag . . . . . . . . . . 76
Settings . . . . . . . . . . . . . . . . . . . . . . . . 203
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . 254
Out of Park . . . . . . . . . . . . . . . . . . 254
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . 304
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . 152
Software Updates . . . . . . . . . . . 163
Spare Tire Compact . . . . . . . . . . . . . . . . . . . . . 404
Special Application Services . . . . . . . . . . . . . . . . . . . . . . 428
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 433
Speedometer . . . . . . . . . . . . . . . . . . 122
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 132
Start Assist, Hill . . . . . . . . . . . . . . 266
Start Vehicle, Remote . . . . . . . . 18

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
INDEX 473
Tires (cont'd)Wheel Replacement . . . . . . 387
When It Is Time for
New Tires . . . . . . . . . . . . . . . . . . 382
Winter . . . . . . . . . . . . . . . . . . . . . . . . 366
Top Tier Fuel . . . . . . . . . . . . . . . . . 309
Towing Driving Characteristics . . . 314
Equipment . . . . . . . . . . . . . . . . . . . 322
General Information . . . . . . . 313
Recreational Vehicle . . . . . 409
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Trailer SwayControl (TSC) . . . . . . . . . . . . . 323
Traction Control System
(TCS)/StabiliTrak
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Control/Electronic Stability Control . . . . . . . . . . . 267
Off Light . . . . . . . . . . . . . . . . . . . . . . 131
Trademarks and License Agreements . . . . . . . 212
Trailer Sway Control (TSC) . . . . . . . 323
Towing . . . . . . . . . . . . . . . . . . . . . . . . . 318
Transmission Automatic . . . . . . . . . . . . . . . . . . . . . 257 Transmission (cont'd)
Fluid, Automatic . . . . . . . . . . . . 336
Transportation Program, Courtesy . . . . . . . . 442
Transporting a Disabled Vehicle . . . . . . . . . 407
Trip Odometer . . . . . . . . . . . . . . . . 122
TTY Users
Customer Assistance . . . . 438
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . . 152
U
Umbrella Storage . . . . . . . . . . . . . 105
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . . . 385
Universal Remote
System . . . . . . . . . . . . . . . . . . . . . . . . . 144
Operation . . . . . . . . . . . . . . . . . . . . . 147
Programming . . . . . . . . . . . . . . . . 144
Updates Map Data . . . . . . . . . . . . . . . . . . . . . 187
Software . . . . . . . . . . . . . . . . . . . . . . 163
USB Port . . . . . . . . . . . . . . . . . . . . . . . . 169
Using Infotainment System . . . . . . 160
Navigation System . . . . . . . . . 173
This Manual . . . . . . . . . . . . . . . . . . . . . 2
V
Vehicle
Ahead Indicator . . . . . . . . . . . . . 131
Alarm System . . . . . . . . . . . . . . . . . 32
Canadian Owners . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . . 231
Data Recording andPrivacy . . . . . . . . . . . . . . . . . . . . . . 448
Design . . . . . . . . . . . . . . . . . . . . . . . . 229
Identification Number (VIN) . . . . . . . . . . . . . . 432
Load Limits . . . . . . . . . . . . . . . . . . 242
Messages . . . . . . . . . . . . . . . . . . . . . 143
Positioning . . . . . . . . . . . . . . . . . . . 186
Remote Start . . . . . . . . . . . . . . . . . . 18
Security . . . . . . . . . . . . . . . . . . . . . . . . 32
Speed Messages . . . . . . . . . . . 144
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Vehicle Care
Storing the TireSealant and
Compressor Kit . . . . . . . . . . . 398
Tire Pressure . . . . . . . . . . . . . . . . 372
Ventilation, Air . . . . . . . . . . . . . . . . 225
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Voice Recognition . . . . . . . . . . . . 188