run flat CADILLAC CT4 2023 User Guide

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care 451
have right or left-hand
threads. Use caution when
installing or removing the
tow eye.
The vehicle must be in
N (Neutral) and the electric
parking brake must be
released when loading the
vehicle onto a flatbed tow
truck.
.If the vehicle is equipped
with car wash mode and has
12-volt battery power, refer
to“Car Wash Mode” under
Automatic Transmission
(Mechanical Shifter) 0272 or
Automatic Transmission
(Electronic Shifter) 0275 to
place the vehicle in
N (Neutral).
.If the 12-volt battery is dead
and/or the engine will not
start, the vehicle will not
move. Try to jump start the
vehicle. Refer to Jump
Starting - North America
0 447 and if the jump start is
successful, retry the “Car
Wash Mode” procedure.
.If jump starting is
unsuccessful, the vehicle will
not move. Tire skates or
dollies must be used under
the non-rolling tires to
prevent vehicle damage.
V-Series Blackwing Only
Due to low ramp angles on the
V-Series Blackwing, use care
when loading the vehicle onto
a flatbed carrier. Front spring
spacers were provided for
lifting the front suspension if
more clearance is necessary
when towing.
Front Tow Eye
The vehicle is equipped with a
tow eye. Only use the tow eye
to pull the vehicle onto a
flatbed car carrier from a flat
road surface. Do not use the
tow eye to pull the vehicle
from snow, mud, or sand. The
tow eye is located under the
carpet in the trunk.
Carefully open the cover in the
fascia by using the small notch
that conceals the tow eye
socket.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
454 Vehicle Care
The vehicle is equipped with a
tow eye. Only use the tow eye
to pull the vehicle onto a
flatbed car carrier from a flat
road surface. Do not use the
tow eye to pull the vehicle
from snow, mud, or sand. The
tow eye is located under the
carpet in the trunk.
Carefully open the cover in the
fascia by using the small notch
that conceals the tow eye
socket.
Install the tow eye into the
socket and turn it until it is
fully tightened. When the tow
eye is removed, reinstall the
cover with the notch in the
original position.Rear Tow Eye
If equipped, carefully open the
cover by using the small notch
that conceals the rear tow eye
socket. Install the tow eye into
the socket and turn it until it is
fully tightened. When the tow
eye is removed, reinstall the
cover with the notch in the
original position.
Recreational Vehicle
Towing
Caution
Dolly towing or dinghy
towing the vehicle may
cause damage because of
reduced ground clearance.
Always put the vehicle on a
flatbed truck or trailer.
The vehicle was neither
designed nor intended to be
towed with any of its wheels
on the ground. If the vehicle
must be towed, see
Transporting a Disabled
Vehicle (Electronic Shifter)
0 450 or
Transporting a Disabled
Vehicle (Mechanical Shifter)
0 452.

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 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

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