Battery CADILLAC CT4 2023 Workshop Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/5/22
488 Customer Information
.Model, year, color, and
license plate number of the
vehicle
.Odometer reading, Vehicle
Identification Number (VIN),
and delivery date of the
vehicle
.Description of the problem
Coverage
Services are provided for the
duration of the vehicle’s
powertrain warranty.
In the U.S., anyone driving the
vehicle is covered. In Canada,
a person driving the vehicle
without permission from the
owner is not covered.
Roadside Assistance is not a
part of the New Vehicle
Limited Warranty. General
Motors North America and
Cadillac reserve the right to
make any changes or
discontinue the Roadside
Assistance program at any
time without notification.General Motors North America
and Cadillac reserve the right
to limit services or payment to
an owner or driver if they
decide the claims are made
too often, or the same type of
claim is made many times.
Cadillac Owner
Privileges™
.Emergency Fuel Delivery:
Delivery of enough fuel for
the vehicle to get to the
nearest service station.
.Lock-Out Service:
Service
to unlock the vehicle if you
are locked out. A remote
unlock may be available if
you have OnStar. For
security reasons, the driver
must present identification
before this service is given.
.Emergency Tow from a
Public Road or Highway:
Tow to the nearest Cadillac
dealer for warranty service,
or if the vehicle was in a
crash and cannot be driven. Assistance is not given when
the vehicle is stuck in the
sand, mud, or snow.
.Flat Tire Change:
Service to
change a flat tire with a
spare tire. The spare tire,
if equipped, must be in good
condition and properly
inflated. It is your
responsibility for the repair
or replacement of the tire if
it is not covered by the
warranty.
.Battery Jump Start: Service
to jump start a dead battery.
.Trip Interruption Benefits
and Service: If your trip is
interrupted due to a
warranty failure, incidental
expenses may be
reimbursed during the
Powertrain warranty period.
Items considered are hotel,
meals, and rental car or a
vehicle being delivered back
to the customer, up to
500 miles.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
OnStar 499
OnStar
OnStar Overview
OnStar Overview . . . . . . . . . . 499
OnStar Services
Emergency . . . . . . . . . . . . . . . . . . 500
Security . . . . . . . . . . . . . . . . . . . . . . . 501
OnStar Additional
Information
OnStar AdditionalInformation . . . . . . . . . . . . . . . . . 501
OnStar Overview
=Voice Command Button
QBlue OnStar Button
>Red Emergency Button
This vehicle may be equipped
with a comprehensive,
in-vehicle system that can
connect to an OnStar Advisor
for Emergency, Security,
Navigation, Connections, and
Diagnostics Services. OnStar
services may require a paid
service plan and data plan.
OnStar requires the vehicle
battery and electrical system,
cellular service, and GPS
satellite signals to be available
and operating. OnStar acts as
a link to existing emergency
service providers. OnStar may
collect information about you and your vehicle, including
location information. See
OnStar User Terms, Privacy
Statement, and Software
Terms for more details
including system limitations at
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
The OnStar system status
light is next to the OnStar
buttons. If the status light is:.Solid Green: System is ready.
.Flashing Green: On a call.
.Red: Indicates a problem.
.Off: System is off. PressQ
twice to speak with an
OnStar Advisor.
Press
Qor call
1-888-4ONSTAR
(1-888-466-7827) to speak to
an Advisor.
Functionality of the Voice
Command button may vary by
vehicle and region.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
OnStar 501
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,
e-mail, or phone call will besent. 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 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
INDEX 513
Driving (cont'd)Loss of Control . . . . . . . . . . . . . 237
Off-Road Recovery . . . . . . . . 237
Track Events and
Competitive . . . . . . . . . . . . . . . 238
Vehicle Load Limits . . . . . . . 255
Wet Roads . . . . . . . . . . . . . . . . . . . 251
Winter . . . . . . . . . . . . . . . . . . . . . . . . 253
Dual Automatic ClimateControl System . . . . . . . . . . . 225
E
ElectricBrake Boost . . . . . . . . . . . . . . . . . 286
Parking Brake . . . . . . . . . . . . . . . 287
Parking Brake Light . . . . . . . . 121
Electrical Equipment, Add-On . . . . . . . 366
System Overload . . . . . . . . . . 404
Electrical System Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . . 407
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . 406
Instrument Panel
Fuse Block . . . . . . . . . . . . . . . . . 409 Electrical System (cont'd)
Rear Compartment
Fuse Block . . . . . . . . . . . . . . . . . . 411
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . 500
Engine Air Cleaner/Filter . . . . . . . . . . 384
Air Filter Life System . . . . . 383
Check Light
(Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 118
Compartment
Overview . . . . . . . . . . . . . . . . . . . 373
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . 114, 115
Coolant Temperature Warning Light . . . . . . . . . . . . . . 124
Cooling System . . . . . . . . . . . . 386
Drive Belt Routing . . . . . . . . . 482
Exhaust . . . . . . . . . . . . . . . . . . . . . . . 271
Heater . . . . . . . . . . . . . . . . . . . . . . . . 266
Oil Life System . . . . . . . . . . . . . . 381
Oil Pressure Light . . . . . . . . . . 127
Overheating . . . . . . . . . . . . . . . . . . 391
Power Messages . . . . . . . . . . . 141
Running While Parked . . . . 272
Starting . . . . . . . . . . . . . . . . . . . . . . 263 Entry Lighting . . . . . . . . . . . . . . . . . .151
Equipment, Towing . . . . . . . . . 365
Event Data Recorders . . . . . 497
Exit Lighting . . . . . . . . . . . . . . . . . . . .151
Extended Parking . . . . . . . . . . . . 271
Extender, Seat Belt . . . . . . . . . . . 57
Exterior
Lamp Controls . . . . . . . . . . . . . . 145
Lamps Off Reminder . . . . . . 147
Lighting Battery Saver . . . 153
F
FilterEngine Air Cleaner . . . . . . . . 384
Flash-to-Pass . . . . . . . . . . . . . . . . . . 147
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . 149
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 437
Floor Mats . . . . . . . . . . . . . . . . . . . . . 465
Fluid Automatic
Transmission . . . . . . . . . . . . . . 382
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 398
Washer . . . . . . . . . . . . . . . . . . . . . . . 393
Folding Mirrors . . . . . . . . . . . . . . . . . 29
Forward Collision Alert (FCA)System . . . . . . . . . . . . . . . . . . . . . . 342

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
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