2023 CADILLAC CT4 alarm

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 - 5/10/22
INDEX 509
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . 370
Accessory Power . . . . . . . . . . . .267
Active Rev Match . . . . . . . . . . . . . . . . . . . 285
Adaptive Cruise Control . . . . . . . . . . . . . . 304
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 366
Additional OnStar Information . . . . . . . . 501
Adjustments Lumbar, Front Seats . . . . . . . 40
Thigh Support . . . . . . . . . . . . . . . . 39
Agreements Trademarks andLicense . . . . . . . . . . . . . . . . . . . . . . 215
Air
Cleaner/Filter, Engine . . . . 384
Conditioning . . . . . . . . . . . . . . . . 225
Filter Life System . . . . . . . . . 383
Filter, PassengerCompartment . . . . . . . . . . . . . . 231
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Airbag System . . . . . . . . . . . . . . . . . 59 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Airbag System (cont'd)
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 64
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . . . 66
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 63
What Will You See after an Airbag
Inflates? . . . . . . . . . . . . . . . . . . . . . . 64
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 62
Where Are the Airbags? . . . . . . . . . . . . . . . . . . . . . . . 61
Airbags Adding Equipment to
the Vehicle . . . . . . . . . . . . . . . . . . . 70
Passenger Status Indicator . . . . . . . . . . . . . . . . . . . . . . 117
Readiness Light . . . . . . . . . . . . . 116
Replacing System Parts after a Crash . . . . . . . 72
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . 70
Alarm
Vehicle Security . . . . . . . . . . . . . 24

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
522 INDEX
V
VehicleAhead Indicator . . . . . . . . . . . . . 123
Alarm System . . . . . . . . . . . . . . . . . 24
Automatic Hold . . . . . . . . . . . . 289
Automatic Hold Light . . . . . 122
Canadian Owners . . . . . . . . . . . . . 2
Control . . . . . . . . . . . . . . . . . . . . . . . 235
Data Recording andPrivacy . . . . . . . . . . . . . . . . . . . . . . 496
Identification Number (VIN) . . . . . . . . . . . . . . 478
Load Limits . . . . . . . . . . . . . . . . . . 255
Messages . . . . . . . . . . . . . . . . . . . . . 140
Positioning . . . . . . . . . . . . . . . . . . . 183
Remote Start . . . . . . . . . . . . . . . . . . 16
Security . . . . . . . . . . . . . . . . . . . . . . . . 24
Speed Messages . . . . . . . . . . . 141
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Vehicle Care Storing the TireSealant and
Compressor Kit . . . . . . . . . . . 446
Tire Pressure . . . . . . . . . . . . . . . 422
Ventilation, Air . . . . . . . . . . . . . . . . 230
Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Voice Recognition . . . . . . . . . . . . 185
W
Warning Brake System Light . . . . . . . . 120
Caution and Danger . . . . . . . . . . 3
Hazard Flashers . . . . . . . . . . . . 149
Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . 105
Washer Fluid . . . . . . . . . . . . . . . . . . 393
Wheels Alignment and Tire
Balance . . . . . . . . . . . . . . . . . . . . . 435
Different Size . . . . . . . . . . . . . . . 433
Replacement . . . . . . . . . . . . . . . . 436
When It Is Time for New
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431
Where to Put the Restraint . . . . . . . . . . . . . . . . . . . . . . . 79
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Windshield Replacement . . . . . . . . . . . . . . . . . 401
Wiper/Washer . . . . . . . . . . . . . . . . 99
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 253
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Wiper Blade Replacement . . . . . . . . 401
Wireless Charging . . . . . . . . . . . 102