2023 CADILLAC CT4 warning

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
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
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
8 Keys, Doors, and Windows
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Key . . . . . . . . . . . . . . . . . . . . . 9
Remote Key Operation . . . . . . 9
Remote Vehicle Start . . . . . . . 16
Door Locks . . . . . . . . . . . . . . . . . . . . 18
Power Door Locks . . . . . . . . . . 20
Delayed Locking . . . . . . . . . . . . . 20
Automatic Door Locks . . . . . . 21
Lockout Protection . . . . . . . . . 21
Safety Locks . . . . . . . . . . . . . . . . . . 22
Doors
Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Vehicle Security
Vehicle Security . . . . . . . . . . . . . 24
Vehicle Alarm System . . . . . . 24
Immobilizer . . . . . . . . . . . . . . . . . . . . 27
Immobilizer Operation . . . . . . 27
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . 28
Power Mirrors . . . . . . . . . . . . . . . . 28
Folding Mirrors . . . . . . . . . . . . . . . 29
Heated Mirrors . . . . . . . . . . . . . . 30Automatic Dimming
Mirror . . . . . . . . . . . . . . . . . . . . . . . . . 30
Reverse Tilt Mirrors . . . . . . . . 30
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . . . . . . . . . . . . . . . . 31
Manual Rearview Mirror . . . 31
Automatic Dimming Rearview Mirror . . . . . . . . . . . . 31
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . 31
Power Windows . . . . . . . . . . . . . . 31
Sun Visors . . . . . . . . . . . . . . . . . . . . . 33
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . 34
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.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
14 Keys, Doors, and Windows
Mechanical Key Access
To access a vehicle with a
weak remote key battery, see
Door Locks018.
Programming Remote
Keys to the Vehicle
Only remote keys programmed
to the vehicle will work. If a
remote key is lost or stolen, a
replacement can be purchased
and programmed through your
dealer. The vehicle can be
reprogrammed so that lost or
stolen remote keys no longer
work. Each vehicle can have
up to eight remote keys
matched to it.
Starting the Vehicle with a
Low Remote Key Battery
For improved vehicle security,
the remote key is equipped
with a motion sensor. When
starting the vehicle, if the
remote key has been idle for a
while, the DIC may display KEY
IN SLEEP MODE, MOVE KEY,
THEN START. Move the remote key slightly and try
starting the vehicle. When
starting the vehicle, if the
remote key battery is depleted
or there is signal interference,
the DIC may display NO KEY
FOUND, REPLACE BATTERY
IN KEY or NO REMOTE KEY
WAS DETECTED PLACE KEY
IN KEY POCKET THEN START
YOUR VEHICLE, follow the
steps shown below:
1. Place the remote key into
the rear cupholder. 2. With the vehicle in P (Park)
or N (Neutral) press the
brake pedal and ENGINE
START/STOP.
Replace the remote key
battery as soon as
possible.
Battery Replacement
{Warning
Never allow children to play
with the remote key. The
remote key contains a small
battery, which can be a
choking hazard. If swallowed,
internal burns can occur,
resulting in severe injury or
death. Seek medical
attention immediately if a
battery is swallowed.
{Warning
To avoid personal injury, do
not touch metal surfaces on
the remote key when it has
been exposed to extreme
(Continued)

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 15
Warning (Continued)
heat. These surfaces can be
hot to the touch at
temperatures above 59 °C
(138 °F).
Caution
When replacing the battery,
do not touch any of the
circuitry on the remote key.
Static from your body could
damage the remote key.
Caution
Always replace the battery
with the correct type.
Replacing the battery with
an incorrect type could
potentially create a risk of
battery explosion. Dispose
of used batteries according
to instructions and local
laws. Do not attempt to
burn, crush, or cut the used
battery, and avoid exposing(Continued)
Caution (Continued)
the battery to environments
with extremely low air
pressures or high
temperatures.
Caution
If the remote key is not
reassembled properly,
liquids could enter the
housing and damage the
circuitry, resulting in a
remote key malfunction
and/or failure. To prevent
damage, always follow the
steps for remote key
reassembly in this manual to
ensure the remote key is
sealed properly whenever
the remote key is opened.
Replace the battery if the DIC
displays REPLACE BATTERY
IN KEY.
1. Press the button on the side of the remote key and
pull the mechanical key
out. Never pull the
mechanical key out without
pressing the button.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 17
If your vehicle is low on fuel,
do not use the remote start
feature. The vehicle may run
out of fuel.
The remote key range may be
shorter while the vehicle is
running.
Other conditions can affect
the performance of the
remote key. See Remote Key
09.
You are allowed multiple
starts totaling 30 minutes of
engine run time. The maximum
run time of a single start is
15 minutes, and it will shut off
automatically. You could do
three 10 minute starts if you
manually shut off after
10 minutes. The last 10 minute
start would shut off
automatically as your total
30 minutes will have
been used. Starting the Engine Using
Remote Start
1. Press
Stwice on the
remote key. The turn signal
lamps will flash. The lamps
flash to confirm the
request to remote start
the vehicle has been
received. During the
remote start, the parking
lamps will remain on as
long as the engine is
running.
2. The engine will shut off after 15 minutes or after
the remainder of the
30 minute total running
time is used, unless you
stop the remote start
before engine running has
completed or the vehicle is
turned on.
3. After entering the vehicle during a remote start,
press the brake and
ENGINE START/STOP
with the remote key in the
vehicle to drive the vehicle. Additional Engine Run Time
Remote start can be used for
up to 30 minutes of total
engine run time.
After two remote starts of
15 minutes, or multiple shorter
time starts totaling
30 minutes have been used,
the vehicle must be started
normally before the remote
start can be used again.
Canceling a Remote Start
To cancel a remote start, do
any of the following:
.PressS. The parking lamps
will turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and then
back off.
Conditions in Which Remote
Start Will Not Work
The remote start will not
operate if any of the following
occur:
.The ignition is in any mode
other than off.