2023 CADILLAC CT4 radio

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/5/22
496 Customer Information
Reporting Safety
Defects to General
Motors
In addition to notifying NHTSA
(or Transport Canada) in a
situation like this, notify
General Motors.
In the U.S., call
1-800-458-8006, or write:
Cadillac Customer Assistance
Center
Cadillac Motor Car Division
P.O. Box 33169
Detroit, MI 48232-5169
In Canada, call
1-888-446-2000, or write:
Canadian Cadillac Customer
Care Centre
General Motors of Canada
Company
500 Wentworth Street W
Oshawa, ON L1J 0C5
In Mexico, call 800-466-0805
or 800-212-234-5522.In other Central America and
Caribbean Countries, call
52-555-901-2369.Vehicle Data
Recording and
Privacy
The vehicle has a number of
computers that record
information about the vehicle’s
performance and how it is
driven or used. For example,
the vehicle uses computer
modules to monitor and
control engine and
transmission performance, to
monitor the conditions for
airbag deployment and deploy
them in a crash, and,
if equipped, to provide antilock
braking to help the driver
control the vehicle. These
modules may store data to
help the dealer technician
service the vehicle or to help
GM improve safety or
features. Some modules may
also store data about how thevehicle is operated, such as
rate of fuel consumption or
average speed. These
modules may retain personal
preferences, such as radio
presets, seat positions, and
temperature settings.
Cybersecurity
GM collects information about
the use of your vehicle
including operational and
safety related information. We
collect this information to
provide, evaluate, improve, and
troubleshoot our products and
services and to develop new
products and services. The
protection of vehicle
electronics systems and
customer data from
unauthorized outside
electronic access or control is
important to GM. GM
maintains appropriate security
standards, practices,
guidelines and controls aimed
at defending the vehicle and
the vehicle service ecosystem
against unauthorized

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
504 OnStar
Unable to Connect to
OnStar Message
If there is limited cellular
coverage or the cellular
network has reached
maximum capacity, this
message may come on. Press
Qto try the call again or try
again after driving a few miles
into another cellular area.
Vehicle and Power Issues
OnStar services require a
vehicle electrical system,
wireless service, and GPS
satellite technologies to be
available and operating for
features to function properly.
These systems may not
operate if the battery is
discharged or disconnected.
Add-on Electrical
Equipment
The OnStar system is
integrated into the electrical
architecture of the vehicle. Do
not add any electrical equipment. See Add-On
Electrical Equipment
0366.
Added electrical equipment
may interfere with the
operation of the OnStar
system and cause it to not
operate.
Vehicle Software Updates
OnStar or GM may remotely
deliver software updates or
changes to the vehicle without
further notice or consent.
These updates or changes
may enhance or maintain
safety, security, or the
operation of the vehicle or the
vehicle systems. Software
updates or changes may
affect or erase data or
settings that are stored in the
vehicle, such as saved
navigation destinations or
pre-set radio stations. Neither
OnStar nor GM is responsible
for any affected or erased
data or settings. These
updates or changes may also
collect personal information.
Such collection is described in the OnStar privacy statement
or separately disclosed at the
time of installation. These
updates or changes may also
cause a system to
automatically communicate
with GM servers to collect
information about vehicle
system status, identify
whether updates or changes
are available, or deliver
updates or changes. An active
OnStar agreement constitutes
consent to these software
updates or changes and
agreement that either OnStar
or GM may remotely deliver
them to the vehicle.
Privacy
The complete OnStar Privacy
Statement may be found at
www.onstar.com (U.S.),
or www.onstar.ca (Canada).
We recommend that you
review it. If you have any
questions, call
1-888-4ONSTAR
(1-888-466-7827) or press
Q
to speak with an Advisor.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
510 INDEX
AlertLane Change . . . . . . . . . . . . . . . 349
Rear Cross Traffic . . . . . . . . . 341
Side Blind
Zone (SBZA) . . . . . . . . . . . . . . . 349
All-Season Tires . . . . . . . . . . . . . . 414
All-Wheel Drive . . . . . . . . 286, 400
AM-FM Radio . . . . . . . . . . . . . . . . . . 162
Antenna Multi-band . . . . . . . . . . . . . . . . . . . . 166
Antilock Brake
System (ABS) . . . . . . . . . . . . . . . 286
Warning Light . . . . . . . . . . . . . . . . 121
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 455
Interior . . . . . . . . . . . . . . . . . . . . . . . . . 461
Apple CarPlay and Android Auto . . . . . . . . . . . . . . . . 204
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . 487
Assistance Systems
Driving . . . . . . . . . . . . . . . . . . . . . . . . 342
Parking and Backing . . . . . . 335
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . 169
Automatic Dimming Mirrors . . . . . . . . . . . . . 30
Door Locks . . . . . . . . . . . . . . . . . . . . . 21 Automatic (cont'd)
Emergency
Braking (AEB) . . . . . . . . . . . . . 345
Emergency Braking (AEB) Disabled Light . . . . . 123
Headlamp System . . . . . . . . . . 148
Transmission . . . . . . . . . 272, 275
Transmission Fluid . . . . . . . . 382
Vehicle Hold Light . . . . . . . . . . 122
Automatic Transmission Manual Mode . . . . . . . . . 280, 281
Automatic Vehicle
Hold (AVH) . . . . . . . . . . . . . . . . . . . 289
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . 166
B
BatteryExterior LightingBattery Saver . . . . . . . . . . . . . . 153
Load Management . . . . . . . . . 152
Power Protection . . . . . . . . . . 153
Battery - North America . . . . . . . . . . . . . . . . .399, 447
Blade Replacement, Wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Bluetooth (cont'd)
Overview . . . . . . . . . . . . . . . . 198, 199
Brake Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . 398
Pad Life System . . . . . . . . . . . 396
System Warning Light . . . . 120
Brake Pad Life System . . . . 396
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 393
Antilock . . . . . . . . . . . . . . . . . . . . . . . 286
Brake Assist . . . . . . . . . . . . . . . . 289
Electric Brake Boost . . . . . 286
Electric Parking Brake . . . . 287
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 235 AutomaticEmergency (AEB) . . . . . . . . 345
Reverse Automatic . . . . . . . 340
Braking System FrontPedestrian (FPB) . . . . . . . . . 346
Break-In, New Vehicle . . . . . . 259
Buckle To Drive . . . . . . . . . . . . . . . . 50
Bulb Replacement . . . . . . . . . . . 403 Front Turn SignalLamps . . . . . . . . . . . . . . . . . . . . . . . 404
Halogen Bulbs . . . . . . . . . . . . . . 403
Headlamp Aiming . . . . . . . . . . 403

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
514 INDEX
Frequency StatementRadio . . . . . . . . . . . . . . . . . . . . . . . . . . 494
Front Heated and VentilatedSeats . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Pedestrian Braking (FPB) System . . . . . . . . . . . . . 346
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 355
Economy, Driving forBetter . . . . . . . . . . . . . . . . . . . . . . . 234
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . 357
Filling the Tank . . . . . . . . . . . . . 356
Foreign Countries . . . . . . . . . 355
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Prohibited Fuels . . . . . . . . . . . 355
Recommended . . . . . . 354, 355
Top Tier . . . . . . . . . . . . . . . . . . . . . . 354
Fuses Engine CompartmentFuse Block . . . . . . . . . . . . . . . . . 407
Fuses and Circuit
Breakers . . . . . . . . . . . . . . . . . . . . 406
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . 409 Fuses (cont'd)
Rear Compartment
Fuse Block . . . . . . . . . . . . . . . . . . 411
G
Garage Door Opener . . . . . . . . .141Programming . . . . . . . . . . . . . . . . 141
Gas Strut(s) . . . . . . . . . . . . . . . . . . . 402
Gauges
Engine CoolantTemperature . . . . . . . . . . 114, 115
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Odometer . . . . . . . . . . . . . . . . . . . . . . 112
Speedometer . . . . . . . . . . . . . . . . . 112
Tachometer . . . . . . . . . . . . . . . . . . 113
Trip Odometer . . . . . . . . . . . . . . . 112
Warning Lights and
Indicators . . . . . . . . . . . . . . . . . . . 105
General Information Service andMaintenance . . . . . . . . . . . . . . 467
Towing . . . . . . . . . . . . . . . . . . . . . . . . 358
Vehicle Care . . . . . . . . . . . . . . . . 369
Global Positioning System (GPS) . . . . . . . . . . . . . . . . 183
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . 94 GM Mobility
Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . 487
Guidance Problems with theRoute . . . . . . . . . . . . . . . . . . . . . . . . . 184
H
Halogen Bulbs . . . . . . . . . . . . . . . . 403
Hazard WarningFlashers . . . . . . . . . . . . . . . . . . . . . . . 149
Head Restraints . . . . . . . . . . . . . . . 37
Head-Up Display (HUD) . . . . . 136
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 403
Automatic . . . . . . . . . . . . . . . . . . . . . 148
Bulb Replacement . . . . . . . . . 403
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . 147
Flash-to-Pass . . . . . . . . . . . . . . . . 147
High Intensity Discharge (HID)
Lighting . . . . . . . . . . . . . . . . . . . . . 403
High-Beam On Light . . . . . . . 128
High/Low Beam Changer . . . . . . . . . . . . . . . . . . . . . 147
Lamps On Reminder . . . . . . . 128

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
518 INDEX
PhoneApple CarPlay and
Android Auto . . . . . . . . . . . . . . 204
Bluetooth . . . . . . . . . . . . . . . 198, 199
Port USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Positioning
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 183
Power Door Locks . . . . . . . . . . . . . . . . . . . . 20
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Outlets . . . . . . . . . . . . . . . . . . . . . . . . 101
Protection, Battery . . . . . . . . 153
RetainedAccessory (RAP) . . . . . . . . . . 267
Seat Adjustment . . . . . . . . . . . . . 38
Windows . . . . . . . . . . . . . . . . . . . . . . . . 31
Pregnancy, Using Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Privacy Vehicle Data
Recording . . . . . . . . . . . . . . . . . . 496
Problems with Route Guidance . . . . . . . . . . . . . . . . . . . . . . 184
Program
CourtesyTransportation . . . . . . . . . . . 490
Prohibited Fuels . . . . . . . . . . . . . 355 Proposition 65 Warning
California . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Proposition 65 Warning, California . . . 447
Publication Ordering Information . . . . . . . . . . . . . . . . . . 494
R
Radiator . . . . . . . . . . . . . . . . . . . . . . . . 386
RadioAM-FM Radio . . . . . . . . . . . . . . . . 162
Data System (RDS) . . . . . . . . . 164
Frequency Statement . . . . 494
Reception . . . . . . . . . . . . . . . . . . . . . 165
Satellite . . . . . . . . . . . . . . . . . . . . . . . 165
Reading Lamps . . . . . . . . . . . . . . . 150
Rear Cross Traffic Alert(RCTA) System . . . . . . . . . . . . 341
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Vision Camera (RVC) . . . . . 335
Rearview Mirrors . . . . . . . . . . . . . . . 31 Automatic Dimming . . . . . . . . . . 31
Reclining Seatbacks . . . . . . . . . . 39
Recognition Voice . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . 354, 355 Recommended Fluids
and Lubricants . . . . . . . . . . . . . 474
Records Maintenance . . . . . . . . . . . . . . . . . 477
Recreational Vehicle Towing . . . . . . . . . . . . . . . . . . . . . . . . 454
Reimbursement
Program, GM Mobility . . . . 487
Remote Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Key Operation . . . . . . . . . . . . . . . . . . 9
Vehicle Start . . . . . . . . . . . . . . . . . . . 16
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . 72
Maintenance . . . . . . . . . . . . . . . . 475
Replacing
Airbag System . . . . . . . . . . . . . . . 72
LATCH System PartsAfter a Crash . . . . . . . . . . . . . . . 87
Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . 58
Reporting Safety Defects Canadian Government . . . 495
General Motors . . . . . . . . . . . . 496
U.S. Government . . . . . . . . . . 495
Restraints Where to Put . . . . . . . . . . . . . . . . . 79

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/10/22
INDEX 519
Retained AccessoryPower (RAP) . . . . . . . . . . . . . . . . .267
Reverse Automatic Braking . . . . . . . . . . . . . . . . . . . . . . . . 340
Reverse Tilt Mirrors . . . . . . . . . . 30
Ride Control Systems Enhanced Traction
System (ETS) . . . . . . . . . . . . . . 301
Roads Driving, Wet . . . . . . . . . . . . . . . . . . 251
Roadside Assistance
Program . . . . . . . . . . . . . . . . . . . . . . 487
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . 34
Rotation, Tires . . . . . . . . . . . . . . . 429
Routing, Engine Drive Belt . . . . . . . . . . . . . . . . . . . . . 482
Run-Flat Tires . . . . . . . . . . . . . . . . . 415
Running the Vehicle While Parked . . . . . . . . . . . . . . . . .272
S
SafetyLocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Safety Defects Reporting Canadian Government . . . 495
General Motors . . . . . . . . . . . . 496 Safety Defects
Reporting (cont'd)
U.S. Government . . . . . . . . . . 495
Safety System Check . . . . . . . . 57
Satellite Radio . . . . . . . . . . . . . . . . . 165
Scheduling Appointments . . . . . . . . . . . . . . . 490
Sealant Kit, Tire . . . . . . . . . . . . . . 439
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . 49
Buckle To Drive . . . . . . . . . . . . . . 50
Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Extender . . . . . . . . . . . . . . . . . . . . . . . 57
How to Wear SeatBelts Properly . . . . . . . . . . . . . . . 51
Lap-Shoulder Belt . . . . . . . . . . . 54
Reminders . . . . . . . . . . . . . . . . . . . . 115
Replacing after a Crash . . . 58
Use During Pregnancy . . . . . 57
Seats Head Restraints . . . . . . . . . . . . . 37
Heated and Ventilated,Front . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Lumbar Adjustment, Front . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Massage . . . . . . . . . . . . . . . . . . . . . . . . 41
Memory . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power Adjustment, Front . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Seats (cont'd)
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Reclining Seatbacks . . . . . . . . 39
Securing Child Restraints . . . . . . . . . . . . . . . . . 88, 90
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . 501
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Vehicle Alarm . . . . . . . . . . . . . . . . . 24
Self-Sealing Tires . . . . . . . . . . . . 415
Service . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Accessories andModifications . . . . . . . . . . . . . . 370
Doing Your Own Work . . . 370
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Maintenance Records . . . . . 477
Maintenance, General Information . . . . . . . . . . . . . . . . 467
Parts Identification . . . . . . . 479
Scheduling
Appointments . . . . . . . . . . . . . 490
Services Special Application . . . . . . . . 473
Servicing System . . . . . . . . . . . . . 184
Servicing the Airbag . . . . . . . . . . 70
Settings . . . . . . . . . . . . . . . . . . . . . . . . 207