2023 CADILLAC CT4 infotainment

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
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
10 Keys, Doors, and Windows
Other conditions can impact
the performance of the
remote key. See Remote Key
09.
Q:Press to lock all doors and
the fuel door, if equipped. The
turn signal indicators may
flash and/or the horn may
sound on the second press to
indicate locking. To view
available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to
display the list of available
options and select “Remote
Lock, Unlock, Start”. Pressing
Qmay also arm the
alarm system. See Vehicle
Alarm System 024.
If equipped with remote
folding mirrors, double
pressing and holding
Qon the
remote key may fold the
mirrors. See Folding Mirrors
0 29.
K:Press to unlock the driver
door and the fuel door,
if equipped. Press again within
five seconds to unlock all
doors. The remote key can be
programmed to unlock all
doors on the first button
press. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”. When remotely
unlocking the vehicle at night,
the headlamps and back-up
lamps may come on for about
30 seconds to light your approach to the vehicle. The
turn signal indicators may
flash to indicate unlocking.
Pressing
Kwill disarm the
alarm system. See Vehicle
Alarm System 024.
Double press and hold
Kfor
about three seconds to
remotely open the windows,
if enabled. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
If equipped with remote
folding mirror, double pressing
and holding
Kon the remote
key may unfold the mirrors.
See Folding Mirrors 029.
S:PressStwice to start the
engine from outside the
vehicle using the remote key.
See Remote Vehicle Start 016.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 11
7:Press and release one time
to initiate vehicle locator. The
exterior lamps flash and the
horn chirps three times. Press
and hold
7for more than
three seconds to sound the
panic alarm. The horn sounds
and the turn signal lamps flash
for 30 seconds, or until
7is
pressed again or the vehicle is
started.
X: Press twice to release the
trunk.
Keyless Access Operation
The Keyless Access system
lets you lock and unlock the
doors and access the trunk
without removing the remote
key from your pocket, purse,
briefcase, etc. The remote key
must be within 1 m (3 ft) of the
trunk or door being opened.
The button is on the outside
door handle.
The Keyless Access system
can be programmed to be
turned off or to unlock all
doors on the first door handle press from the driver door.
Keyless unlocking can also be
turned off. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select
“Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
If equipped with memory
seats, remote keys 1 and 2 are
linked to seating positions of
memory 1 or 2. See Memory
Seats 041.
Keyless Unlocking/Locking
from the Driver Door
When the doors are locked
and the remote key is within
1 m (3 ft) of the door handle,
pressing the door handle
button on the driver door
handle will unlock the driver
door. If the door handle button
is pressed again within
five seconds, all passenger
doors will unlock. If equipped with remote
folding mirror, pressing the
driver door handle button may
fold and unfold the mirrors.
See Folding Mirrors
029.
Driver Door Shown,
Passenger Similar
Pressing the door handle
button will cause all doors to
lock if any of the following
occur:
.It has been more than
five seconds since the first
door handle button press.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
12 Keys, Doors, and Windows
.Two door handle button
presses were used to unlock
all doors.
.Any vehicle door has opened
and all doors are now closed.
Keyless Unlocking/Locking
from the Passenger Doors
When the doors are locked
and the remote key is within
1 m (3 ft) of the door handle,
pressing the door handle
button on a passenger door
handle will unlock all doors.
Pressing the door handle
button will cause all doors to
lock if any of the following
occur:
.The door handle button was
used to unlock all doors.
.Any vehicle door has opened
and all doors are now closed.
Disable/Enable Keyless
Unlocking of Exterior Door
Handles and Trunk
If equipped, keyless unlocking
of the exterior door handles
and trunk can be disabled and
enabled. Disabling Keyless Unlocking:
With the vehicle off, press and
hold
QandKon the remote
key at the same time for
approximately four seconds.
The turn signal lamps will flash
four times quickly to indicate
access is disabled. Using any
exterior handle to unlock the
doors or open the trunk will
cause the turn signal lamps to
flash four times quickly,
indicating access is disabled.
If disabled, disarm the alarm
system before starting the
vehicle.
Disabling Keyless Unlocking
may also be configured under
Vehicle Personalization. To
view available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to
display the list of available
options and select “Remote
Lock, Unlock, Start”. Enabling Keyless Unlocking:
With the vehicle off, press and
holdQandKon the remote
key at the same time for
approximately four seconds.
The turn signal lamps will flash
twice quickly to indicate
access is enabled.
Enabling Keyless Unlocking
may also be configured under
Vehicle Personalization. To
view available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to
display the list of available
options and select “Remote
Lock, Unlock, Start”.
Passive (Walkaway) Locking
The Keyless Access system
will lock the vehicle several
seconds after all doors are
closed if the vehicle is off and
at least one remote key has
been removed or none remain
in the vehicle.
If equipped, the fuel door will
also lock.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 13
If other electronic devices
interfere with the remote key
signal, the vehicle may not
detect the remote key inside
the vehicle. If passive
(walkaway) locking is enabled,
the doors may lock with the
remote key inside the vehicle.
Do not leave the remote key in
an unattended vehicle.
To view available settings for
this feature, touch the
Settings icon on the
infotainment home page.
Select“Vehicle” to display the
list of available options and
select “Power Door Locks”.
If equipped with remote
folding mirror, passive
(walkaway) locking may fold
the mirrors. See Folding
Mirrors 029. Temporary Disable of
Passive (Walkaway) Locking
Temporarily disable passive
locking by pressing and
holding
Kon the interior door
switch with a door open for at
least four seconds, or until
three chimes are heard.
Passive (walkaway) locking will
then remain disabled until the
vehicle is turned on.
Remote Key Left In Vehicle
Alert
When the vehicle is turned off
and a remote key is left in the
vehicle, the horn will chirp
three times after all doors are
closed. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”. Remote Key No Longer In
Vehicle Alert
If the vehicle is on, with a door
open, and then all doors are
closed, the vehicle will check
for a remote key inside. If a
remote key is not detected,
the Driver Information Center
(DIC) will display NO KEY
FOUND and the horn will chirp
three times.
This occurs only once each
time the vehicle is driven. To
view available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select
“Vehicle”to
display the list of available
options and select “Remote
Lock, Unlock, Start”.
Keyless Trunk Opening
Press the touch pad on the
rear of the trunk above the
license plate if the remote key
is within 1 m (3 ft).

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Keys, Doors, and Windows 21
WhenQis pressed on the
power door lock switch with
the door open, a chime will
sound three times indicating
that delayed locking is active.
The doors will then lock
automatically five seconds
after all doors are closed. If a
door is reopened before
five seconds have elapsed, the
five-second timer will reset
once all the doors are closed
again.
Press
Qon the door lock
switch again, or press
Qon the
key, to override this feature
and lock the doors
immediately.
Delayed locking can be
programmed. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Power Door Locks”.
Automatic Door
Locks
The doors will lock
automatically when all doors
are closed, the ignition is on,
and the vehicle is shifted out
of P (Park).
If a vehicle door is unlocked,
and then opened and closed,
the doors will lock either when
your foot is removed from the
brake or the vehicle speed
becomes faster than
13 km/h (8 mph).
To unlock the doors:
.PressKon the power door
lock switch.
.Shift the transmission into
P (Park).
Automatic door locking cannot
be disabled. Automatic door
unlocking can be programmed.
To view available settings for
this feature, touch the
Settings icon on the
infotainment home page. Select
“Vehicle” to display the
list of available options and
select “Power Door Locks”.
Lockout Protection
If the vehicle is on or in
accessory mode and the
power door lock switch is
pressed with the driver door
open, all the doors will lock and
only the driver door will unlock.
If the vehicle is off and locking
is requested while a door is
open, when all doors are
closed the vehicle will check
for keys inside. If any remote
key programmed to the
vehicle is detected and the
number of keys inside has not
reduced, the driver door will
unlock and the horn will chirp
three times.
Lockout Protection can be
manually overridden with the
driver door open by pressing
and holding
Qon the power
door lock switch.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
30 Keys, Doors, and Windows
not be automatically unfolded
by the Remote Mirror Folding
feature.
If equipped with power folding
mirrors, and the mirrors have
not been folded with the
power folding mirror switch
and the vehicle is in P (Park),
they may be automatically
folded/unfolded as follows:1. If doors are locked by pressing
Hon the remote
key, the mirrors will fold.
If doors are unlocked by
pressing
Ion the remote
key, the mirrors will unfold.
See Remote Key Operation
0 9.
2. If doors are locked by pressing the door handle
button, the mirrors will
fold. If doors are unlocked
by pressing the door
handle button, the mirrors
will unfold. See “Keyless
Unlocking/Locking from
the Driver Door” in Remote
Key Operation 09. 3. If passive locking is
enabled and doors are
locked by that feature, the
mirrors will fold. See
“Passive Locking” in
Remote Key Operation 09.
Heated Mirrors
K:The rear window defogger
also heats the outside mirrors.
See Dual Automatic Climate
Control System 0225.
Automatic Dimming
Mirror
If the vehicle has the
automatic dimming mirror, the
driver outside mirror
automatically adjusts for the
glare of headlamps
behind you.
Do not spray glass cleaner or
chrome cleaner directly onto
the mirror. Only use a soft
towel dampened with water.
Reverse Tilt Mirrors
If equipped with reverse tilt
mirrors and memory seats, the
passenger and/or driver
mirror tilts to a preselected
position when the vehicle is in
R (Reverse). This allows the
curb to be seen when parallel
parking.
The mirror(s) may move from
their tilted position when:
.The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
.The vehicle is turned off.
.The vehicle is driven in
R (Reverse) above a set
speed.
To view available settings
from the infotainment screen,
touch Settings > Vehicle >
Comfort and Convenience.