2023 CADILLAC CT4 Owners Manual

2023 CT4
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84946627 \b
C T4
OWNER’S MANUAL
Roadside \bssistance\1 1\f800\f882\f1112
2023
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Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . .1
Keys, Doors, and Windows . . . . .8
Seats and Restraints . . . . . . . . . .36
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Instruments and Controls . . . . .97
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . .145
Infotainment System . . . . . . . . . .154
Climate Controls . . . . . . . . . . . . . . .225
Driving and Operating . . . . . . . .232
Vehicle Care . . . . . . . . . . . . . . . . . . . .368
Service and Maintenance . . .467
Technical Data . . . . . . . . . . . . . . . . .478
Customer Information . . . . . . .483
Reporting Safety Defects . . .495
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . .499
Connected Services . . . . . . . . . .506
Index . . . . . . . . . . . . . . . . . . . . . . . 509
Introduction
California Proposition 65 Warning
Litho in U.S.A.
Part No. 84946627 A First Printing©2022 General Motors LLC. All Rights Reserved.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
2 Introduction
Introduction
The names, logos, emblems,
slogans, vehicle model names,
and vehicle body designs
appearing in this manual
including, but not limited to,
GM, the GM logo, the
CADILLAC Emblem, and
CADILLAC CT4 are
trademarks and/or service
marks of General Motors LLC,
its subsidiaries, affiliates,
or licensors.
For vehicles first sold in
Canada, substitute the name
“General Motors of Canada
Company”for Cadillac Motor
Car Division wherever it
appears in this manual. This manual describes
features that may or may not
be on the vehicle because of
optional equipment that was
not purchased on the vehicle,
model variants, country
specifications, features/
applications that may not be
available in your region,
or changes subsequent to the
printing of this owner’s
manual, including changes in
standard or optional content.
Refer to the purchase
documentation relating to
your specific vehicle to
confirm the features.
Keep this manual in the vehicle
for quick reference.
Canadian Vehicle
Owners
A French language manual can
be obtained from your dealer,
at www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire
de ce guide en français auprès
du concessionnaire ou à
l'adresse suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Using this Manual
To quickly locate information
about the vehicle, use the
Index in the back of the
manual. It is an alphabetical list
of what is in the manual and
the page number where it can
be found.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Introduction 3
Danger, Warning, and
Caution
Warning messages found on
vehicle labels and in this
manual describe hazards and
what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard
with a high level of risk
which will result in serious
injury or death.
{Warning
Warning indicates a hazard
that could result in injury or
death.
Caution
Caution indicates a hazard
that could result in property
or vehicle damage.
A circle with a slash through it
is a safety symbol which
means“Do not,” “Do not do
this,” or“Do not let this
happen.”
Symbols
The vehicle has components
and labels that use symbols
instead of text. Symbols are
shown along with the text
describing the operation or
information relating to a
specific component, control,
message, gauge, or indicator.
M: Shown when the owner’s
manual has additional
instructions or information.
*: Shown when the service
manual has additional
instructions or information.
0: Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional
symbols that may be found on
the vehicle and what they
mean. See the features in this
manual for information.
u: Air Conditioning System
G:Air Conditioning
Refrigerant Oil
9: Airbag Readiness Light
!:Antilock Brake
System (ABS)
$: Brake System Warning
Light
9: Dispose of Used
Components Properly
P: Do Not Apply High
Pressure Water
B: Engine Coolant
Temperature
_: Flame/Fire Prohibited

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
4 Introduction
H:Flammable
[:Forward Collision Alert
R:Fuse Block Cover Lock
Location
+: Fuses
j:ISOFIX/LATCH System
Child Restraints
Q: Keep Fuse Block Covers
Properly Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*: Malfunction
Indicator Lamp
:: Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7:Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
h:Risk of Electrical Fire
>:Seat Belt Reminders
I:Side Blind Zone Alert
h:Stop/Start
7:Tire Pressure Monitor
d:Traction Control/
StabiliTrak/Electronic Stability
Control (ESC)
a: Under Pressure
k: Vehicle Ahead Indicator

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Introduction 5
Instrument Panel Overview

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
6 Introduction
1. Air Vents0230.
2. Exterior Lamp Controls 0145.
Turn Signal Lever. See
Turn and Lane-Change
Signals 0149.
3. Tap Shift Controls (If Equipped). See Manual
Mode (Electronic Shifter)
0281 or
Manual Mode (Mechanical
Shifter) 0280.
4. Cruise Control 0301.
Adaptive Cruise Control
(Advanced) 0304 (If
Equipped).
Forward Collision Alert
(FCA) System 0342 (If
Equipped).
Heated Steering Wheel
0 98 (If Equipped).
5. Instrument Cluster (Base Level) 0106 or
Instrument Cluster
(Uplevel) 0108. Driver Information Center
(DIC) Display. See Driver
Information Center (DIC)
(Base Level)
0129 or
Driver Information Center
(DIC) (Uplevel) 0132.
6. Steering Wheel Controls 0158 (If Equipped).
7. Windshield Wiper/Washer 099.
8. Infotainment. See Overview 0155.
9. Light Sensor. See Automatic Headlamp
System 0148.
10. Hazard Warning Flashers 0149.
11. Dual Automatic Climate Control System 0225.
12. Heated and Ventilated Front Seats 045 (If
Equipped).
13. Lane Keep Assist (LKA) 0351 (If Equipped). 14. Traction Control/
Electronic Stability Control
0290.
Stop/Start Disable Switch.
See Stop/Start System
0 264.
Automatic Vehicle Hold
(AVH) 0289.
MODE Button or
«/ª
Button (V-Series Only). See
Driver Mode Control 0292.
15. Wireless Charging Pad (If Equipped) (Out of View).
See Wireless Charging
0102.
16. Park Assist Button. See Assistance Systems for
Parking or Backing 0335.
17. Shift Lever. See Automatic Transmission (Mechanical
Shifter) 0272 or
Automatic Transmission
(Electronic Shifter) 0275.
See Manual Transmission
0 283.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Introduction 7
18. ENGINE START/STOPButton. See Ignition
Positions 0261.
19. Horn 099.
20. Steering Wheel Adjustment 098.
21. Head-Up Display (HUD) 0136 (If Equipped).
22. Hood Release (Out of View). See Hood 0371.
23. Instrument Panel Illumination Control 0150.
24. Data Link Connector (DLC) (Out of View). See
Malfunction Indicator
Lamp (Check Engine Light)
0118.
25. Electric Parking Brake 0287 (If Equipped).