2023 CADILLAC CT4 infotainment

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
500 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 CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
502 OnStar
vehicles. For more information,
a full description of OnStar
services, system limitations,
and OnStar User Terms,
Privacy Statement, and
Software Terms:
.Call 1-888-4ONSTAR
(1-888-466-7827).
.See www.onstar.com (U.S.).
.See www.onstar.ca (Canada).
.Call TTY 1-877-248-2080.
.PressQto speak with an
Advisor.
OnStar or connected services
cannot work unless the vehicle
is in a place where OnStar has
an agreement with a wireless
service provider for service in
that area. The wireless service
provider must also have
coverage, network capacity,
reception, and technology
compatible with OnStar or
connected services. Service
involving location information
about the vehicle cannot work
unless GPS signals are
available, unobstructed, and
compatible with the OnStar hardware. OnStar or
connected services may not
work if the OnStar equipment
is not properly installed or it
has not been properly
maintained. If equipment or
software is added, connected,
or modified, OnStar or
connected services may not
work. Other problems beyond
the control of OnStar
—such
as hills, tall buildings, tunnels,
weather, electrical system
design and architecture of the
vehicle, damage to the vehicle
in a crash, or wireless phone
network congestion or
jamming —may prevent
service.
See Radio Frequency
Statement 0494.
Services for People with
Disabilities
Advisors provide services to
help with physical disabilities
and medical conditions. Press
Qto help:
.Locate a gas station with an
attendant to pump gas.
.Find a hotel, restaurant, etc.,
that meets accessibility
needs.
.Provide directions to the
closest hospital or pharmacy
in urgent situations.
TTY Users
OnStar has the ability to
communicate to deaf,
hard-of-hearing,
or speech-impaired customers
while in the vehicle. The
available dealer-installed TTY
system can provide in-vehicle
access to all OnStar services,
except Virtual Advisor and
OnStar Turn-by-Turn
Navigation.
If equipped, TTY mode can be
turned on or off through
Settings > Apps > Phone.
When TTY mode is on, phone
calls can be made or received
with OnStar using the
infotainment display.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
506 Connected Services
Connected
Services
Connected Services
Navigation . . . . . . . . . . . . . . . . . . . 506
Connections . . . . . . . . . . . . . . . . 507
Diagnostics . . . . . . . . . . . . . . . . . 508
Connected
Services
Navigation
Navigation requires a specific
OnStar or connected
service plan.
Press
Qto receive
Turn-by-Turn directions or
have them sent to the
vehicle’s navigation screen,
if equipped. Select
Turn-by-Turn Directions from
the Services tab of the OnStar
app to call an Advisor or select
a recent or favorite
destination. Touch the
navigation icons to select
home, address, or place.
A destination transfer from
OnStar will show the detail
view of the destination when it
is transferred from OnStar to
the Navigation application. See
www.onstar.com for a
coverage map. Services vary by model. Map coverage is
available in the United States
and Canada.
Turn-by-Turn Navigation
1. PressQto connect to an
Advisor.
2. Request directions to be downloaded to the vehicle.
3. Follow the voice-guided commands.
Using Voice Commands
During a Planned Route
Functionality of the Voice
Command button, if equipped,
may vary by vehicle and
region. For some vehicles,
press
=to open the OnStar
app on the infotainment
display.
Send Destination to Vehicle
Directions can be sent to the
vehicle’s navigation screen,
if equipped.
Press
Q, then ask the Advisor
to download directions to the
vehicle’s navigation system,

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Connected Services 507
if equipped. After the call
ends, the navigation screen
will provide prompts to begin
driving directions. Routes that
are sent to the navigation
screen can only be canceled
through the navigation
system.
See www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The following services help
with staying connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Ensuring Security
.Change the default
passwords for the Wi-Fi
hotspot and myCadillac
mobile app. Make these
passwords different from
each other and use a
combination of letters and
numbers to increase the
security.
.Change the default name of
the SSID (Service Set
Identifier). This is the
network name that is visible
to other wireless devices.
Choose a unique name and
avoid family names or vehicle
descriptions.
Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in
Wi-Fi hotspot that provides
access to the Internet and
web content at 4G LTE speed.
Up to seven mobile devices
can be connected. A data plan
is required. Use the in-vehicle
controls only when it is safe to
do so. 1. To retrieve Wi-Fi hotspot information, press
=to
open the OnStar app on
the infotainment display,
then select Wi-Fi Hotspot.
On some vehicles, touch
Wi-Fi or Wi-Fi Settings on
the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot
name (SSID), password, and on some vehicles, the
connection type (no
Internet connection, 3G,
4G, 4G LTE), and signal
quality (poor, good,
excellent). The LTE icon
shows connection to Wi-Fi.
It is possible that the icon
may not illuminate even
though the vehicle has an
active connection.
3. To change the SSID or password, press
Qor call
1-888-4ONSTAR to
connect with an Advisor.
On some vehicles, the SSID
and password can be
changed in the Wi-Fi
Hotspot menu.
After initial set-up, your
vehicle’s Wi-Fi hotspot will
connect automatically to your
mobile devices. Manage data
usage by turning Wi-Fi on or
off on your mobile device, by
using the myCadillac mobile
app, or by contacting an
OnStar Advisor. On some

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
512 INDEX
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . 225
Cooling System . . . . . . . . . . . . . . 386
Cornering Lamps . . . . . . . . . . . . . 149
Courtesy Lamps . . . . . . . . . . . . . . 150
CourtesyTransportation
Program . . . . . . . . . . . . . . . . . . . . . . 490
Coverage Explanations . . . . . 185
Cruise Control . . . . . . . . . . . . . . . . . 301 Adaptive . . . . . . . . . . . . . . . . . . . . . 304
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Super . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Cupholders . . . . . . . . . . . . . . . . . . . . . . 94
Customer Assistance Offices . . . . . . . . . . . . . . . . . . . . . . . . 485
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . . 486
Customer Information Publications OrderingInformation . . . . . . . . . . . . . . . . 494
Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . 483
Cybersecurity . . . . . . . . . . . . . . . . 496D
Damage Repair, Collision . . . . . . . . . . . . . . . . . . . . . . . . 491
Danger, Warning, and Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . 5
Data Collection Infotainment System . . . . . 498
OnStar . . . . . . . . . . . . . . . . . . . . . . . . 498
Data Recorder
Performance . . . . . . . . . . . . . . . . . 192
Data Recorders, Event . . . . 497
Database Coverage Explanations . . . . . . . . . . . . . . . . . 185
Daytime Running Lamps (DRL) . . . . . . . . . . . . . . . . . 147
Defensive Driving . . . . . . . . . . . . 235
Delayed Locking . . . . . . . . . . . . . . . 20
Destination . . . . . . . . . . . . . . . . . . . . . 176
Diagnostics Connected Services . . . . . . 508
Differential, Limited-Slip . . . . 301
Disabled Vehicle Transporting . . . . . . . . . 450, 452
Distracted Driving . . . . . . . . . . . 234
Dome Lamps . . . . . . . . . . . . . . . . . . . 150 Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 129
Delayed Locking . . . . . . . . . . . . . 20
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Power Locks . . . . . . . . . . . . . . . . . . 20
Drive Belt Routing, Engine . . . . . . . . . . . . . . . . . . . . . . . . . 482
Drive Systems All-Wheel Drive . . . . . . 286, 400
Driver Assistance Systems . . . . . . 333
Information
Center (DIC) . . . . . . . . . . 129, 132
Mode Control . . . . . . . . . . . . . . . 292
Mode Control Light . . . . . . . . 125
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Driving Assistance Systems . . . . . . 342
Better Fuel Economy . . . . . 234
Characteristics andTowing Tips . . . . . . . . . . . . . . . 358
Competitive . . . . . . . . . . . . . . . . . 298
Defensive . . . . . . . . . . . . . . . . . . . . 235
Distracted . . . . . . . . . . . . . . . . . . . 234
Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . 252
If the Vehicle is Stuck . . . . 255
Impaired . . . . . . . . . . . . . . . . . . . . . . 235

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
INDEX 515
HeatedMirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Steering Wheel . . . . . . . . . . . . . . 98
Ventilated Front Seats . . . . 45
Heater Engine . . . . . . . . . . . . . . . . . . . . . . . . 266
Heating . . . . . . . . . . . . . . . . . . . . . . . . . 225
High-Beam On Light . . . . . . . . . 128
High-Speed Operation . . . . . 423
Hill and Mountain Roads . . . . . . . . . . . . . . . . . . . . . . . . . 252
Hill Start Assist (HSA) . . . . . . 289
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . . 51
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Hydraulic Clutch . . . . . . . . . . . . . 383
I
If the System Needs Service . . . . . . . . . . . . . . . . . . . . . . . . . 184
Ignition Positions . . . . . . . . . . . . . 261
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 27
Indicator Pedestrian Ahead . . . . . . . . . . 123
Vehicle Ahead . . . . . . . . . . . . . . . 123 Indicators
Warning Lights and
Gauges . . . . . . . . . . . . . . . . . . . . . . . 105
Infants and Young Children, Restraints . . . . . . . . . 74
Information Publication Ordering . . . . . 494
Infotainment Using the System . . . . . . . . . . 158
Infotainment System . . . . . . . 498
Inspection Multi-Point Vehicle . . . . . . . . . 472
Instrument Cluster . . . . 106, 108
Instrument Panel Overview . . . . . . . . . . . . . . . . . . . . . . . . . 5
Interior Rearview Mirrors . . . . 31
Introduction . . . . . . . . . . . . . . . . . 2, 155
J
Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . 447
K
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Remote Operation . . . . . . . . . . . . 9
L
Labeling, Tire Sidewall . . . . . . 417
LampsCornering . . . . . . . . . . . . . . . . . . . . . 149
Courtesy . . . . . . . . . . . . . . . . . . . . . . 150
Daytime Running (DRL) . . . 147
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Exterior Controls . . . . . . . . . . . 145
Exterior Lamps OffReminder . . . . . . . . . . . . . . . . . . . . 147
Exterior Lighting Battery Saver . . . . . . . . . . . . . . 153
Flash-to-Pass . . . . . . . . . . . . . . . . 147
Front Turn Signal . . . . . . . . . . 404
High/Low Beam Changer . . . . . . . . . . . . . . . . . . . . . 147
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . 118
On Reminder . . . . . . . . . . . . . . . . . 128
Reading . . . . . . . . . . . . . . . . . . . . . . . 150
Lane Change Alert (LCA) . . . . . . . 349
Keep Assist (LKA) . . . . . . . . . . 351
Keep Assist Light . . . . . . . . . . 122
Lap-Shoulder Belt . . . . . . . . . . . . . 54
LATCH System Replacing Parts after aCrash . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
520 INDEX
ShiftingInto Park . . . . . . . . . . . . . . . 267, 268
Out of Park . . . . . . . . . . . 269, 270
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . 349
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . 149
Software Updates . . . . . . . . . . . 162
Special Application Services . . . . . . . . . . . . . . . . . . . . . . 473
Specifications and
Capacities . . . . . . . . . . . . . . . . . . . . 480
Speedometer . . . . . . . . . . . . . . . . . . .112
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 124
Start Assist, Hill . . . . . . . . . . . . . . 289
Start Vehicle, Remote . . . . . . . . 16
Starting the Engine . . . . . . . . . 263
Steering . . . . . . . . . . . . . . . . . . . . . . . . 236
Heated Wheel . . . . . . . . . . . . . . . . 98
Wheel Adjustment . . . . . . . . . . 98
Wheel Controls . . . . . . . . . . . . . 158
Stop/Start System . . . . . . . . . . 264
Storage Center Console . . . . . . . . . . . . . . 95
Compartments . . . . . . . . . . . . . . . 94
Cupholders . . . . . . . . . . . . . . . . . . . . 94
Glove Box . . . . . . . . . . . . . . . . . . . . . . 94 Storage (cont'd)
Umbrella . . . . . . . . . . . . . . . . . . . . . . . 95
Storage Areas Cargo ManagementSystem . . . . . . . . . . . . . . . . . . . . . . . . 96
Storing the Tire Sealant and
Compressor Kit . . . . . . . . . . . . . 446
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Stuck Vehicle . . . . . . . . . . . . . . . . . 255
Summer Tires . . . . . . . . . . . . . . . . . 416
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 33
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Super Cruise . . . . . . . . . . . . . . . . . . . 316
Surround Vision System . . . . . . . . . . . . . . . . . . . . . . . . 336
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Navigation . . . . . . . . . . . . . . . . . . . . 175
System Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Brake Pad Life . . . . . . . . . . . . . 396
Driver Assistance . . . . . . . . . 333
Engine Air Filter Life . . . . . . 383
Forward CollisionAlert (FCA) . . . . . . . . . . . . . . . . . 342
Global Positioning . . . . . . . . . . 183
Infotainment . . . . . . . . . . . . . . . . 498 System (cont'd)
Rear Cross Traffic
Alert . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Surround Vision . . . . . . . . . . . . 336
T
Tachometer . . . . . . . . . . . . . . . . . . . . .113
Teen Driver . . . . . . . . . . . . . . . . . . . . . .211
Text Telephone (TTY) Users . . . . . . . . . . . . . . . . . . . . . . . . . . 486
Theft-Deterrent Systems . . . . . . . . . . . . . . . . . . . . . . . . 27
Immobilizer . . . . . . . . . . . . . . . . . . . . 27
Thigh Support Adjustment . . . . . . . . . . . . . . . . . . . . 39
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 All-Season . . . . . . . . . . . . . . . . . . . . 414
Buying New Tires . . . . . . . . . . 432
Chains . . . . . . . . . . . . . . . . . . . . . . . . 437
Designations . . . . . . . . . . . . . . . . . 418
Different Size . . . . . . . . . . . . . . . 433
If a Tire Goes Flat . . . . . . . . . 437
Inspection . . . . . . . . . . . . . . . . . . . 429
Low-Profile . . . . . . . . . . . . . . . . . . . 416
Pressure . . . . . . . . . . . . . . . 422, 423
Pressure Light . . . . . . . . . . . . . . 126

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
INDEX 521
Tires (cont'd)Pressure Monitor
Operation . . . . . . . . . . . . . . . . . . 425
Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . 424
Rotation . . . . . . . . . . . . . . . . . . . . . . 429
Run-Flat . . . . . . . . . . . . . . . . . . . . . . . 415
Sealant and Compressor Kit . . . . . . . . . . . 439
Sealant and Compressor Kit,
Storing . . . . . . . . . . . . . . . . . . . . . . 446
Self-Sealing . . . . . . . . . . . . . . . . . . 415
Sidewall Labeling . . . . . . . . . . . 417
Terminology and Definitions . . . . . . . . . . . . . . . . . . 419
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . 434
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . 435
Wheel Replacement . . . . . . 436
When It Is Time for
New Tires . . . . . . . . . . . . . . . . . . . 431
Winter . . . . . . . . . . . . . . . . . . . . . . . . . 414
Top Tier Fuel . . . . . . . . . . . . . . . . . 354
Towing DrivingCharacteristics . . . . . . . . . . . 358 Towing (cont'd)
Equipment . . . . . . . . . . . . . . . . . . . 365
General Information . . . . . . 358
Recreational Vehicle . . . . . 454
Trailer . . . . . . . . . . . . . . . . . . . . . . . . . 363
Track Events and Competitive Driving . . . . . . . 238
Traction Control System(TCS)/StabiliTrak
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Control/Electronic
Stability Control . . . . . . . . . . 290
Limited-Slip Differential . . . . . . . . . . . . . . . . . . 301
Off Light . . . . . . . . . . . . . . . . . . . . . . 123
Trademarks and License Agreements . . . . . . . 215
Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . 363
Transmission
Automatic . . . . . . . . . . . . . . 272, 275
Fluid, Automatic . . . . . . . . . . . . 382
Fluid, Manual . . . . . . . . . . . . . . . . 382
Manual . . . . . . . . . . . . . . . . . . . . . . . . 283
Transportation
Program, Courtesy . . . . . . . . 490 Transporting
a Disabled
Vehicle . . . . . . . . . . . . . . . 450, 452
Trip Odometer . . . . . . . . . . . . . . . . .112
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
TTY Users Customer Assistance . . . . 486
Turn and Lane-Change Signals . . . . . . . . . . . . . . . . . . . . . . . . . 149
U
Umbrella Storage . . . . . . . . . . . . . . 95
Uniform Tire QualityGrading . . . . . . . . . . . . . . . . . . . . . . . 434
Universal Remote System . . . . . . . . . . . . . . . . . . . . . . . . . .141
Operation . . . . . . . . . . . . . . . . . . . . . 144
Programming . . . . . . . . . . . . . . . . 141
Updates Map Data . . . . . . . . . . . . . . . . . . . . . 184
Software . . . . . . . . . . . . . . . . . . . . . . 162
USB Port . . . . . . . . . . . . . . . . . . . . . . . . 166
Using Infotainment System . . . . . . 158
Navigation System . . . . . . . . . 170
This Manual . . . . . . . . . . . . . . . . . . . . . 2