Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Service and Maintenance 429
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not
listed here, can be obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission DEXRON-VI Automatic Transmission Fluid. Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0338.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
See Engine Oil0332.
Hood Latch Assembly,
Secondary Latch, Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol or lubricant meeting requirements
of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 4 Hydraulic Brake Fluid.
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube. See your dealer.
Front Axle/Rear Axle See your dealer.
Transfer Case (All-Wheel Drive) Transfer Case Fluid. See your dealer. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
452 OnStar
Press=to:
.Open the OnStar app on the
infotainment display.
If equipped, the infotainment
system has OnStar controls
in the embedded OnStar app
on the Home Page. Most
OnStar functions that can be
performed with the buttons
can be done using the app.
To open the app, touch the
OnStar icon on the Home
Page. App updates require a
corresponding service plan.
Features vary by region and
model. Features are subject
to change. For more
information, see
my.cadillac.com/learn or
press
Q.
Or
.Give OnStar Turn-by-Turn
Navigation voice commands.
.Obtain and customize the
Wi-Fi hotspot name or SSID
and password, if equipped. Press
Qto connect to an
Advisor to:
.Verify account information
or update contact
information.
.Get driving directions.
.Receive a Diagnostic check
of the vehicle's key
operating systems.
.Receive Roadside
Assistance.
.Manage Wi-Fi Settings,
if equipped.
Press
>to get a priority
connection to an OnStar
Advisor available 24/7 to:
.Get help for an emergency.
.Be a Good Samaritan or
respond to an AMBER Alert.
.Get assistance in severe
weather or other crisis
situations and find
evacuation routes.
OnStar Services
Emergency
Emergency Services require
an active safety and security
plan. With Automatic Crash
Response, built-in sensors can
automatically alert a specially
trained OnStar Advisor who is
immediately connected in to
the vehicle to help.
Press
>for a priority
connection to an OnStar
Advisor who can contact
emergency service providers,
direct them to your exact
location, and relay important
information.
With OnStar Crisis Assist,
specially trained Advisors are
available 24 hours a day,
7 days a week, to provide a
central point of contact,
assistance, and information
during a crisis.
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
INDEX 467
I
If the System NeedsService . . . . . . . . . . . . . . . . . . . . . . . . . 187
Ignition Positions . . . . . . . . . . . . .247
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 33
Indicator Pedestrian Ahead . . . . . . . . . . 131
Vehicle Ahead . . . . . . . . . . . . . . . 131
Indicators Warning Lights and
Gauges . . . . . . . . . . . . . . . . . . . . . . . 118
Infants and Young Children, Restraints . . . . . . . . . 80
Information
Publication Ordering . . . . . 445
Infotainment Using the System . . . . . . . . . . 160
Infotainment System . . . . . . . 450
Inspection Multi-Point Vehicle . . . . . . . . . 427
Instrument Cluster . . . . . . . . . . . .119
Instrument Panel Overview . . . . . . . . . . . . . . . . . . . . . . . . . 5
Interior Rearview Mirrors . . . 36
Introduction . . . . . . . . . . . . . . . . . 2, 156
J
Jump
Starting - NorthAmerica . . . . . . . . . . . . . . . . . . . . . 404
K
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Operation . . . . . . . . . . . . 9
L
Labeling, Tire Sidewall . . . . . 367
LampsCornering . . . . . . . . . . . . . . . . . . . . . 152
Courtesy . . . . . . . . . . . . . . . . . . . . . . 153
DaytimeRunning (DRL) . . . . . . . . . . . . . 150
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Exterior Controls . . . . . . . . . . . 148
Exterior Lamps Off Reminder . . . . . . . . . . . . . . . . . . . . 150
Exterior Lighting Battery Saver . . . . . . . . . . . . . . 155
Flash-to-Pass . . . . . . . . . . . . . . . . 150
Front Turn Signal . . . . . . . . . . 350
High/Low Beam Changer . . . . . . . . . . . . . . . . . . . . . 150
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 126 Lamps (cont'd)
On Reminder . . . . . . . . . . . . . . . . . 136
Reading . . . . . . . . . . . . . . . . . . . . . . . 153
Lane Change Alert (LCA) . . . . . . . 304
Keep Assist (LKA) . . . . . . . . . 307
Keep Assist Light . . . . . . . . . . 131
Lap-Shoulder Belt . . . . . . . . . . . . . 60
LATCH System Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . 95
LATCH, Lower Anchors
and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . 86
LED Lighting . . . . . . . . . . . . . . . . . . 350
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Illumination Control . . . . . . . . 153
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350
Lights Airbag Readiness . . . . . . . . . . . 124
All-Wheel-Drive . . . . . . . . . . . . . 130
Antilock Brake System(ABS) Warning . . . . . . . . . . . . . 129
Brake System Warning . . . . . . . . . . . . . . . . . . . . . 128
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