2020 CADILLAC CT4 Owner's Manual

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Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
ContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Keys, Doors, and Windows . . . . . . . . . . 7
Seats and Restraints . . . . . . . . . . . . . . . 33
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Instruments and Controls . . . . . . . . . . 85
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Infotainment System . . . . . . . . . . . . . 133
Climate Controls . . . . . . . . . . . . . . . . . . 134
Driving and Operating . . . . . . . . . . . . 141
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 233
Service and Maintenance . . . . . . . . . 302
Technical Data . . . . . . . . . . . . . . . . . . . . 317
Customer Information . . . . . . . . . . . . 321
Reporting Safety Defects . . . . . . . . . 331
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Connected Services . . . . . . . . . . . . . . . 341
Index . . . . . . . . . . . . . . . . . . . . . . . . 344

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
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.
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.
Litho in U.S.A.
Part No. 84186799 B Second Printing©2020 General Motors LLC. All Rights Reserved.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
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

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
4 INTRODUCTION
B:Engine Coolant Temperature
_:Flame/Fire Prohibited
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
S:Remote Vehicle Start
>: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
V: Vehicle Ahead Indicator

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
INTRODUCTION 5
Instrument Panel Overview

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
6 INTRODUCTION
1.Air Vents 0139.
2. Exterior Lamp Controls 0125.
Turn Signal Lever. See Turn and
Lane-Change Signals 0129.
3. Tap Shift Controls (If Equipped). See Manual Mode (Electronic
Shifter) 0177 or
Manual Mode (Mechanical Shifter)
0 176.
4. Cruise Control 0192.
Adaptive Cruise Control 0194 (If
Equipped).
Forward Collision Alert (FCA)
System 0211 (If Equipped).
Heated Steering Wheel 086 (If
Equipped).
5. Instrument Cluster 093.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0109.
6. Steering Wheel Controls 086 (If
Equipped). See infotainment
manual.
7. Windshield Wiper/Washer 086.
8. Infotainment 0133. 9. Light Sensor. See
Automatic
Headlamp System 0128.
10. Hazard Warning Flashers 0128.
11. Dual Automatic Climate Control
System 0134.
12. Heated and Ventilated Front Seats
040 (If Equipped).
13. Lane Keep Assist (LKA) 0219 (If
Equipped).
14. Traction Control/Electronic
Stability Control 0182.
Stop/Start Disable Switch. See
Stop/Start System 0161.
Automatic Vehicle Hold (AVH)
0 181.
MODE Button or
«/ªButton
(V-Series Only). See Driver Mode
Control 0184.
15. Wireless Charging Pad (If Equipped) (Out of View). See
Wireless Charging 090.
16. Park Assist Button. See Assistance Systems for Parking or
Backing 0204. 17. Shift Lever. See
Automatic
Transmission (Mechanical Shifter)
0 169 or
Automatic Transmission
(Electronic shifter) 0171.
18. ENGINE START/STOP Button. SeeIgnition Positions 0158.
19. Horn 086.
20. Steering Wheel Adjustment 086.
21. Head-Up Display (HUD) 0111 (If
Equipped).
22. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0100.
23. Instrument Panel Illumination
Control 0129.
24. Hood Release (Out of View). See Hood 0236.
25. Electric Parking Brake 0179 (If
Equipped).

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
KEYS, DOORS, AND WINDOWS 7
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . 14
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 16
Power Door Locks . . . . . . . . . . . . . . . . . 18
Delayed Locking . . . . . . . . . . . . . . . . . . . 18
Automatic Door Locks . . . . . . . . . . . . 19
Lockout Protection . . . . . . . . . . . . . . . . 19
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 19
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 22
Vehicle Alarm System . . . . . . . . . . . . . 22
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 24
Immobilizer Operation . . . . . . . . . . . . 24
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 25
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 26 Folding Mirrors . . . . . . . . . . . . . . . . . . . . 26
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 27
Automatic Dimming Mirror . . . . . . . 27
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 27
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 28
Manual Rearview Mirror . . . . . . . . . . 28
Automatic Dimming Rearview
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Power Windows . . . . . . . . . . . . . . . . . . . . 29
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
remote key is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the remote key in the
vehicle, and children or others
could be caught in the path of a
closing window. Do not leave
children in a vehicle with a
remote key.