maintenance CADILLAC XT4 2023 Service Manual

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
438 Customer Information
United States and
Puerto Rico
Cadillac Customer Assistance
Center
Cadillac Motor Car Division
P.O. Box 33169
Detroit, MI 48232-5169
1-800-458-8006
1-800-833-2622 (For Text
Telephone devices (TTYs))
Roadside Assistance:
1-800-224-1400
From U.S. Virgin Islands:
1-800-496-9994
Canada
Cadillac Customer Care
Centre
General Motors of Canada
Company
500 Wentworth Street W
Oshawa, ON L1J 0C5
1-888-446-2000 (English/
French)
Cadillac Roadside Assistance:
1-800-882-1112
Overseas
Contact the local General
Motors Business Unit.
Customer Assistance
for Text Telephone
(TTY) Users
To assist customers who are
deaf, hard of hearing,
or speech-impaired and who
use Text Telephones (TTYs),
Cadillac has TTY equipment
available at its Customer
Assistance Center. Any TTY
user can communicate with
Cadillac by dialing:
1-800-833-2622. TTY users in
Canada can dial
1-800-263-3830.
Online Account
Create a Cadillac Account
(U.S.) at cadillac.com
Learn more about your vehicle
features, shop for and manage
your connected services andOnStar plans, and access
diagnostic information specific
to your vehicle.
Membership Benefits
E:
Download owner’s
manuals and view
vehicle-specific how-to videos.
G: View maintenance
schedules, alerts, and Vehicle
Diagnostic Information.
Schedule service
appointments.
I: View service records from
your dealership and add
your own.
D: Select a dealer and view
locations, maps, phone
numbers, and hours.
r: Track your vehicle’s
warranty information.
J: View active recalls or
search by Vehicle
Identification Number (VIN).
See Vehicle Identification
Number (VIN) 0432.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
446 Customer Information
suspension, brakes, electrical
system, steering system,
body, etc.
Customer Literature
Owner’s manuals are written
specifically for owners and are
intended to provide basic
operational information about
the vehicle. The owner’s
manual includes the
Maintenance Schedule for all
models.
Customer literature
publications available for
purchase include owner’s
manuals, warranty manuals,
and portfolios. Portfolios
include an owner’s manual,
warranty manual, if applicable,
and zip lock bag or pouch.
Current and Past Models
Service manuals and customer
literature are available for
many current and past model
year GM vehicles.To order, call 1-800-551-4123
Monday–Friday, 8:00 a.m.–
6:00 p.m. Eastern Time
For credit card orders only
(VISA, MasterCard,
or Discover), see Helm, Inc. at:
www.helminc.com.
To order by mail, write to:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Make checks payable in U.S.
funds.
Radio Frequency
Statement
This vehicle uses
license-exempt transmitters /
receivers / systems that
operate on a radio frequency
that complies with Part 15/
Part 18 of the Federal
Communications Commission
(FCC) rules and with
Innovation, Science andEconomic Development (ISED)
Canada's license-exempt
RSS(s) / RSP-100 / ICES-GEN.
Operation is subject to the
following two conditions:
1. The device may not cause harmful interference.
2. The device must accept any interference received,
including interference that
may cause undesired
operation of the device.
Changes or modifications to
any of these systems by other
than an authorized service
facility could void
authorization to use this
equipment.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
460 Connected Services
vehicles, Wi-Fi can also be
managed from the Wi-Fi
Hotspot menu.
MyCadillac Mobile App (If
Available)
Download the myCadillac
mobile app to compatible
Apple and Android
smartphones. Cadillac users
can access the following
services from a smartphone:
.Remotely start/stop the
vehicle, if factory-equipped.
.Lock/unlock doors,
if equipped with automatic
locks.
.Activate the horn and lamps.
.Check the vehicle fuel level,
oil life, or tire pressure,
if factory-equipped with the
Tire Pressure Monitor
System.
.Send destinations to the
vehicle.
.Locate the vehicle on a map
(U.S. market only).
.Turn the vehicle's Wi-Fi
hotspot on/off, manage
settings, and monitor data
consumption, if equipped.
.Locate a dealer and
schedule service.
.Request Roadside
Assistance.
.Set a parking reminder with
pin drop, take a photo, make
a note, and set a timer.
.Connect with Cadillac on
social media.
Features are subject to
change. For myCadillac mobile
app information and
compatibility, see
my.cadillac.com.
An active OnStar or
connected service plan may be
required. A compatible device,
factory-installed remote start,
and power locks are required.
Data rates apply. See
www.onstar.com for details
and system limitations.
Remote Services
Contact an OnStar Advisor to
unlock the doors or sound the
horn and flash the lamps.
Marketplace
OnStar Advisors can provide
offers from restaurants and
retailers on your route, help
locate hotels, or book a room.
These services vary by
market.
Diagnostics
By monitoring and reporting
on the vehicle’s key systems,
OnStar Advanced Diagnostics,
if equipped, provides a way
to keep up on maintenance.
Capabilities vary by model. See
www.onstar.com for details
and system limitations.
Features are subject to
change. For updates on
feature capabilities, see
my.cadillac.com. Message and
data rates may apply.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
466 INDEX
Fuel (cont'd)Management, Active . . . . . . 255
Prohibited Fuels . . . . . . . . . . . . 310
Recommended . . . . . . . . . . . . . . 310
Top Tier . . . . . . . . . . . . . . . . . . . . . . 309
Fuses Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . . 354
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . 353
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . 360
G
Garage Door Opener . . . . . . . . 144
Programming . . . . . . . . . . . . . . . . 144
Gas Strut(s) . . . . . . . . . . . . . . . . . . . 349
Gauges
Engine CoolantTemperature . . . . . . . . . . . . . . . 123
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Odometer . . . . . . . . . . . . . . . . . . . . . 122
Speedometer . . . . . . . . . . . . . . . . 122
Tachometer . . . . . . . . . . . . . . . . . . 122
Trip Odometer . . . . . . . . . . . . . . 122
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . 118
Gear Shifting Light . . . . . . . . . . . 130 General Information
Service and
Maintenance . . . . . . . . . . . . . . 423
Towing . . . . . . . . . . . . . . . . . . . . . . . . . 313
Vehicle Care . . . . . . . . . . . . . . . . . 327
Global Positioning System (GPS) . . . . . . . . . . . . . . . . 185
Glove Box . . . . . . . . . . . . . . . . . . . . . . . 102
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . 439
Guidance Problems with theRoute . . . . . . . . . . . . . . . . . . . . . . . . . 186
H
Hazard WarningFlashers . . . . . . . . . . . . . . . . . . . . . . . 152
HD Radio Technology . . . . . . . 166
Head Restraints . . . . . . . . . . . . . . . 45
Head-Up Display (HUD) . . . . . 139
Headlamps Aiming . . . . . . . . . . . . . . . . . . . . . . . . 350
Automatic . . . . . . . . . . . . . . . . . . . . . 151
Bulb Replacement . . . . . . . . . 350
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . 150 Headlamps (cont'd)
Flash-to-Pass . . . . . . . . . . . . . . . . 150
High-Beam On Light . . . . . . . 135
High/Low Beam
Changer . . . . . . . . . . . . . . . . . . . . . 150
Lamps On Reminder . . . . . . . 136
Heated
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Rear Seats . . . . . . . . . . . . . . . . . . . . 56
Steering Wheel . . . . . . . . . . . . . 110
Ventilated Front Seats . . . . 53
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 252
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . 221
High-Beam On Light . . . . . . . . . 135
High-Speed Operation . . . . . 374
Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . . . 239
Hill Start Assist (HSA) . . . . . . 266
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . 58
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
468 INDEX
Lights (cont'd)Charging System . . . . . . . . . . . 126
Check Engine
(Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 126
Cruise Control Light . . . . . . . 136
Door Ajar . . . . . . . . . . . . . . . . . . . . . . 136
Driver Mode Control . . . . . . . 133
Electric Parking Brake . . . . 129
Engine Coolant Temperature
Warning . . . . . . . . . . . . . . . . . . . . . 133
Engine Oil Pressure . . . . . . . . 134
Gauges and Indicators . . . . 118
Gear Shifting . . . . . . . . . . . . . . . . 130
High-Beam On . . . . . . . . . . . . . . . 135
Lane Keep Assist . . . . . . . . . . . 131
Low Fuel Warning . . . . . . . . . . 135
Performance Shifting . . . . . 130
Seat Belt Reminders . . . . . . 123
Security . . . . . . . . . . . . . . . . . . . . . . . 135
Service Electric Parking Brake . . . . . . . . . . . . . . 129
StabiliTrak OFF . . . . . . . . . . . . . 132
Tire Pressure . . . . . . . . . . . . . . . . 134
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . 132 Lights (cont'd)
Traction Off . . . . . . . . . . . . . . . . . . 131
Locks Automatic Door . . . . . . . . . . . . . . 23
Delayed Locking . . . . . . . . . . . . . 22
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Lockout Protection . . . . . . . . . 23
Power Door . . . . . . . . . . . . . . . . . . . 22
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Loss of Control . . . . . . . . . . . . . . 233
Low Fuel Warning Light . . . . 135
Lower Anchors and Tethers for Children
(LATCH System) . . . . . . . . . . . . . 86
Lumbar Adjustment . . . . . . . . . . 48 Front Seats . . . . . . . . . . . . . . . . . . . 48
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . . 431
Maintenance Schedule . . . . 425 Recommended Fluids
and Lubricants . . . . . . . . . . . 429
Malfunction Indicator Lamp . . . . . . . . . . . . . . 126
Manual
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Map Data Updates . . . . . . . . . . . 187 Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Massage
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Media Avoiding UntrustedDevices . . . . . . . . . . . . . . . . . . . . . . 169
Memory Seats . . . . . . . . . . . . . . . . . . 50
Messages
Engine Power . . . . . . . . . . . . . . . 143
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 143
Vehicle Speed . . . . . . . . . . . . . . . 144
Mirrors Automatic Dimming . . . . . . . . . 36
Automatic DimmingRearview . . . . . . . . . . . . . . . . . . . . . 36
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 34
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Interior Rearview . . . . . . . . . . . . 36
Manual Rearview . . . . . . . . . . . . 36
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Rear Camera . . . . . . . . . . . . . . . . . . 37
Tilt in Reverse . . . . . . . . . . . . . . . . 36
Mode Driver Control . . . . . . . . . . . . . . 269
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . 375
Multi-band Antenna . . . . . . . . . . 168

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
470 INDEX
PrivacyVehicle Data
Recording . . . . . . . . . . . . . . . . . . 448
Problems with Route Guidance . . . . . . . . . . . . . . . . . . . . . . 186
Program Courtesy
Transportation . . . . . . . . . . . 442
Prohibited Fuels . . . . . . . . . . . . . . 310
Proposition 65 Warning California . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Proposition 65 Warning, California . . . 404
Publication Ordering Information . . . . . . . . . . . . . . . . . . 445
R
Radiator . . . . . . . . . . . . . . . . . . . . . . . . 338
RadioAM-FM Radio . . . . . . . . . . . . . . . . 163
Data System (RDS) . . . . . . . . . 167
Frequency Statement . . . . 446
HD Radio Technology . . . . . 166
Reception . . . . . . . . . . . . . . . . . . . . . 168
Satellite . . . . . . . . . . . . . . . . . . . . . . . 167
Reading Lamps . . . . . . . . . . . . . . . 153
Rear
Camera Mirror . . . . . . . . . . . . . . . . 37 Rear (cont'd)
Cross Traffic Alert
(RCTA) System . . . . . . . . . . . . 297
Heated Seats . . . . . . . . . . . . . . . . . 56
Pedestrian Alert . . . . . . . . . . . 296
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Storage . . . . . . . . . . . . . . . . . . . . . . . 103
Vision Camera (RVC) . . . . . 286
Window Washer/Wiper . . . 113
Rearview Mirrors . . . . . . . . . . . . . . 36 Automatic Dimming . . . . . . . . . 36
Reclining Seatbacks . . . . . . . . . . 47
Recognition
Voice . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Recommended Fluids and Lubricants . . . . . . . . . . . . . 429
Records Maintenance . . . . . . . . . . . . . . . . . 431
Recreational Vehicle
Towing . . . . . . . . . . . . . . . . . . . . . . . . 409
Reimbursement Program, GM Mobility . . . . 439
Remote Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Key Operation . . . . . . . . . . . . . . . . . . 9
Vehicle Start . . . . . . . . . . . . . . . . . . . 18 Replacement Parts
Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 78
Maintenance . . . . . . . . . . . . . . . . 430
Replacing Airbag System . . . . . . . . . . . . . . . 78
LATCH System PartsAfter a Crash . . . . . . . . . . . . . . . 95
Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . 65
Reporting Safety Defects Canadian Government . . . 447
General Motors . . . . . . . . . . . . 447
U.S. Government . . . . . . . . . . 447
Restraints Where to Put . . . . . . . . . . . . . . . . . 85
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . . 253
Reverse Automatic Braking . . . . . . . . . . . . . . . . . . . . . . . . 294
Reverse Tilt Mirrors . . . . . . . . . . 36
Roads Driving, Wet . . . . . . . . . . . . . . . . . 238
Roadside Assistance Program . . . . . . . . . . . . . . . . . . . . . . 439
Roof
Rack System . . . . . . . . . . . . . . . . . 106
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 42
Rotation, Tires . . . . . . . . . . . . . . . . 381

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

Scan to Access
United States
United States and CanadaConnected Services1-888-4-ONSTAR
Canada
Customer Assistance 1-888-446-2000
Canada
• Owner’s Manuals
• Warranty Information
• Connected Services
• My Cadillac Rewards
• myCadillac Mobile App
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• Many Additional Resources
United States
Customer Assistance 1-800-458-8006
Roadside Assistance 1-800-224-1400
84807760 A
X T4
OWNER’S MANUAL
Roadside Assistance 1-800-882-1112
2023
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