2024 CADILLAC XT4 keyless

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
8 Keys, Doors, and Windows
The key, inside the remote key, can be used
for all locks.
To remove the key, press the button on the
side of the remote key, near the bottom,
and pull the key out. Never pull the key out
without pressing the button.
If it becomes difficult to turn the key,
inspect the key blade for debris. Periodically,
clean with a brush or a pick.
See your dealer if a new key is needed.
Contact Roadside Assistance if locked out of
the vehicle. SeeRoadside Assistance Program
0 343. With an active OnStar or connected service
plan, an OnStar Advisor may remotely
unlock the vehicle. See
OnStar Overview
0 352.
Remote Key
See Radio Frequency Statement 0348.
If there is a decrease in the remote key
operating range:
.Check the distance. The remote key may
be too far from the vehicle.
.Check the location. Other vehicles or
objects may be blocking the signal.
.Check the remote key's battery. See
“Battery Replacement” later in this
section.
.If the remote key is still not working
correctly, see your dealer or a qualified
technician for service.
Remote Key Operation
The Keyless Access system allows for vehicle
entry when the remote key is within 1 m
(3 ft). See “Keyless Access Operation”
following.
The remote key functions may work up to
60 m (197 ft) away from the vehicle. Other conditions can impact the
performance of the remote key. See
Remote
Key 08.
With Power Liftgate Shown, Without Similar
H:Press to lock all doors. The turn signal
indicators may flash and/or the horn may
sound on the second press to indicate
locking. To view available settings from the
infotainment screen, touch Settings >
Vehicle > Remote Lock, Unlock, Start.
If the driver door is open when
His
pressed, all doors will lock and the driver
door will immediately unlock, if Open Door
Anti-Lockout is enabled. To view available
settings from the infotainment screen, touch

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 9
Settings > Vehicle > Power Door Locks. If the
passenger door is open when
His pressed,
all doors lock.
Pressing
Hmay also arm the alarm system.
See Vehicle Alarm System 025.
I:Press to unlock the driver door. PressIagain 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 from the
infotainment screen, touch Settings >
Vehicle > Remote Lock, Unlock, Start.
The turn signal indicators may flash to
indicate unlocking. To view available settings
from the infotainment screen, touch Settings
> Vehicle > Remote Lock, Unlock, Start.
When remotely unlocking the vehicle at
night, the lights come on briefly to light
your approach to the vehicle.
Pressing
Iwill disarm the alarm system.
See Vehicle Alarm System 025.
Press and hold
Iuntil the windows fully
open. Windows will not operate unless
remote window operation is enabled. To
view available settings from the
infotainment screen, touch Settings >
Vehicle > Remote Lock, Unlock, Start.
S: To remote start the vehicle, double
press and hold
Sfrom outside the vehicle.
The vehicle cannot be started if a remote
key is left inside the vehicle. See Remote
Vehicle Start 014.
7:Press and release one time to initiate
vehicle locator. The exterior lamps flash and
the horn chirps three times. Press and hold
7for 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.
b: Press twice quickly to open or close
the liftgate.
Press once to stop the liftgate from moving.
Keyless Access Operation
With the Keyless Access system, you can
lock and unlock the doors and access the
liftgate without removing the remote key
from your pocket, purse, briefcase, etc. The
remote key should be within 1 m (3 ft) of the
liftgate or door being opened.
Keyless Access can be programmed to
unlock all doors on the first lock/unlock
press from the driver door. Keyless access
can also be turned off. To view available settings from the infotainment screen, touch
Settings > Vehicle > 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 Seats040.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the remote
key is within 1 m (3 ft) of the driver door
handle, pressing the lock/unlock button on
the driver door handle will unlock the driver
door. If the lock/unlock button is pressed
again within five seconds, all passenger
doors will unlock.
Driver Shown, Passenger Similar

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
10 Keys, Doors, and Windows
Pressing the lock/unlock button will cause
all doors to lock if any of the following
occur:
.It has been more than five seconds since
the first lock/unlock button press.
.Two lock/unlock button presses were
used to unlock all doors.
.Any vehicle door has opened and all
doors are now closed.
Keyless Unlocking/Locking from Passenger
Doors
When the doors are locked and the remote
key is within 1 m (3 ft) of the door handle,
pressing the lock/unlock button on that door
handle will unlock all doors. Pressing the
lock/unlock button will cause all doors to
lock if either of the following occurs:
.The lock/unlock 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 Liftgate
If equipped, keyless unlocking of the exterior
door handles and liftgate can be disabled
and enabled. Disabling Keyless Unlocking:
With the vehicle off, press and hold
Hand
Ion the remote key at the same time for
approximately three 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 liftgate 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.
Enabling Keyless Unlocking:
With the vehicle off, press and hold
Hand
Ion the remote key at the same time for
approximately three seconds. The turn signal
lamps will flash twice quickly to indicate
access is enabled.
Passive Locking
With Keyless Access this vehicle will lock
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 interior.
If other electronic devices interfere with the
remote key signal, the vehicle may not
detect the remote key inside the vehicle.
If passive 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 from the
infotainment screen, touch Settings >
Vehicle > Power Door Locks.
Temporary Disable of Passive Locking
Temporarily disable passive locking by
pressing and holding
Ion the interior door
switch with a door open for at least
four seconds, or until three chimes are
heard. Passive locking will then remain
disabled until
Hon the interior door is
pressed, or until the vehicle is turned on.
Remote Left in Vehicle Alert
When the vehicle is turned off and an
remote key is left in the vehicle, the horn
will chirp three times after all doors are
closed. To view available settings from the
infotainment screen, touch Settings >
Vehicle > Remote Lock, Unlock, Start.
Remote Removed from Vehicle Alert
If the vehicle is on, with a door open, and
then all doors are closed, the vehicle will
check for remote key(s) inside. If an remote
key is not detected, the Driver Information

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 11
Center (DIC) will display NO REMOTE
DETECTED and the horn will chirp three
times.
This occurs only once each time the vehicle
is driven.
To view available settings from the
infotainment screen, touch Settings >
Vehicle > Remote Lock, Unlock, Start.
Keyless Liftgate Opening
Press the touch pad on the liftgate handle
to open the liftgate if the remote key is
within 1 m (3 ft).
Key Access
To access a vehicle with a weak remote key
battery, seeDoor Locks015.
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. Programming with Recognized Remote Keys
A new remote key can be programmed to
the vehicle when there are two recognized
remote keys.
To program, the vehicle must be off and all
of the remote keys, both currently
recognized and new, must be with you.
1. Remove the key from the remote key.
2. Place the two recognized remote keys into the front cupholder.
3. Remove the key lock cylinder cap on the driver door handle. See Door Locks015.
Insert the vehicle key of the remote key
into the key lock cylinder on the driver
door and turn the key counterclockwise,
to the unlock position, five times within
10 seconds.
The DIC displays READY FOR REMOTE #3,
4, 5, ETC.
4. Place the new remote key into the front cupholder.
5. Press ENGINE START/STOP. When the remote key is learned the DIC display
will show that it is ready to program the
next remote key.
6. Remove the remote key from the front cupholder. and press the remote key
I
orHbutton.
To program additional remote keys,
repeat Steps 3–5.
When all additional remote keys are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
7. Return the key back into the remote key.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
16 Keys, Doors, and Windows
To lock/unlock the doors from outside the
vehicle:
.PressHorIon the remote key. See
Remote Key Operation 08.
.Use the key in the key lock cylinder in
the driver door. The key lock cylinder is
covered with a cap.
To lock/unlock the doors from inside the
vehicle:
.PressHorHon the power door lock
switch. See Power Door Locks 017.
.Push down on the door lock knob to lock
a door.
.Pull the door handle once to unlock it.
Pull the door handle again to unlatch it. Keyless AccessThe remote key must be within 1 m (3 ft) of
the door or liftgate being opened. Press the
button on the door handle to open. See
“Keyless Access”
inRemote Key Operation
0 8. Driver Door Key Lock Cylinder Access (In Case
of Dead Battery)To access the driver door key lock cylinder:
1. Pull the door handle (1) to the open position and hold it open until the cap
removal is complete.
2. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key
upward.
3. Move the cap (2) rearward and remove.
4. Use the key in the cylinder.
To replace the cap: 1. Pull the door handle (1) to the open position and hold it open until the cap
installation is complete.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 23
The projected logo will only be available for
this remote key after it has been out of
range for at least 20 seconds.
If an remote key is again detected within
approximately 2 m (6 ft) of the liftgate,
or another hands-free operation has been
detected, the one-minute timer will be reset.
The projected logo will not work under
these conditions:
.The vehicle battery is low.
.The transmission is not in P (Park).
.Hands Free Liftgate Control is set to Off
in vehicle settings. To view available
settings from the infotainment screen,
touch Settings > Vehicle > Comfort and
Convenience.
.The power liftgate is turned off.
.The vehicle remains parked for 72 hours
or more, with no remote key use or
Keyless Access operation. To re-enable,
press any button on the remote key or
open and close a vehicle door.
The projected logo will not work for a single
remote key when a transmitter:
.Has been left within approximately 5 m
(15 ft) of the liftgate for several minutes.
.Has been left inside the vehicle and all
vehicle doors are closed.
.Has approached the area outside of the
liftgate five times within 10 minutes. Lens Cleaning
Use a soft, damp cloth to clean the
recessed lens.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 25
Vehicle Security
This vehicle has theft-deterrent features;
however, they do not make the vehicle
impossible to steal.
Vehicle Alarm System
This vehicle has an anti-theft alarm system.
The indicator light, on the instrument panel
near the windshield, indicates the status of
the system.
Off :Alarm system is disarmed.
On Solid : Vehicle is secured during the
delay to arm the system. Fast Flash :
Vehicle is unsecured. A door, the
hood, or the liftgate is open.
Slow Flash : Alarm system is armed.
Arming the Alarm System
1. Close the liftgate and the hood. Turn off
the vehicle.
2. Lock the vehicle in one of three ways:
.Use the remote key.
.Use the Keyless Access system.
.With a door open, press the
inside
H.
3. After 30 seconds the alarm system will arm, and the indicator light will begin to
slowly flash indicating the alarm system
is operating. Pressing
Hon the remote
key a second time will bypass the
30-second delay and immediately arm
the alarm system.
The vehicle alarm system will not arm if the
doors are locked with the key.
If the driver door is opened without first
unlocking with the remote key, the horn will
chirp and the lights will flash to indicate
pre-alarm. If the vehicle is not started, or the door is not unlocked by pressing
I
on the remote key during the 10-second
pre-alarm, the alarm will be activated.
The alarm will also be activated if a
passenger door, the liftgate, or the hood is
opened without first disarming the system.
When the alarm is activated, the turn
signals flash and the horn sounds for about
30 seconds. The alarm system will then
re-arm to monitor for the next unauthorized
event.
Disarming the Alarm System
To disarm the alarm system or turn off the
alarm if it has been activated:
.PressIon the remote key.
.Unlock the vehicle using the Keyless
Access system.
.Start the vehicle.
To avoid setting off the alarm by accident:
.Lock the vehicle after all occupants have
left the vehicle and all doors are closed.
.Always unlock a door with the remote
key or use the Keyless Access system.
Unlocking the driver door with the key will
not disarm the system or turn off the alarm.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
174 Driving and Operating
Normal driving charges the vehicle’s battery
to achieve the best operation of the vehicle,
including fuel economy and the Stop/Start
System. SeeStop/Start System 0176.
Ignition Positions
The vehicle has an electronic keyless ignition
with pushbutton start.
If the pushbutton start is not working, the
vehicle may be near a strong radio antenna
signal causing interference to the Keyless
Access system. See Remote Key Operation
0 8.
To shift out of P (Park), the vehicle must be
turned on and the brake pedal must be
applied. Stopping the Engine/OFF (No Indicator
Light) :
When the vehicle is stopped, press
ENGINE START/STOP once to turn the
engine off.
If the vehicle is in P (Park), the ignition will
turn off, and Retained Accessory Power (RAP)
will remain active. See Retained Accessory
Power (RAP) 0179.
If the vehicle is in R (Reverse), D (Drive) or
M (Manual Mode), the vehicle will shift to
P (Park), the ignition will turn off, and RAP
will remain active.
If the vehicle is in N (Neutral), the ignition
will return to accessory mode and display
the message SHIFT TO PARK in the Driver
Information Center (DIC).
When the vehicle is shifted into P (Park), the
ignition will turn off.
{Warning
Turning off the vehicle while moving may
cause loss of power assist in the brake
and steering systems and disable the
airbags. While driving, only shut the
vehicle off in an emergency. If the vehicle must be shut off in an
emergency:
1. Brake using a firm and steady pressure. Do not pump the brakes repeatedly. This
may deplete power assist, requiring
increased brake pedal force.
2. Shift the vehicle to N (Neutral). This can be done while the vehicle is moving.
After shifting to N (Neutral), firmly apply
the brakes and steer the vehicle to a
safe location.
3. Come to a complete stop and shift to P (Park).
4. Set the parking brake. See Electric
Parking Brake 0187. Press ENGINE
START/STOP to turn the vehicle off.
If the vehicle cannot be pulled over and
must be shut off while driving, press and
hold ENGINE START/STOP for longer than
two seconds, or press twice in five seconds.
Accessory Mode (Amber Indicator Light) :
This mode allows you to use some electrical
accessories when the engine is off.
With the ignition off, pressing ENGINE
START/STOP once without the brake pedal
applied will place the ignition system in
accessory mode.