2024 CADILLAC XT4 180

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
12 Keys, Doors, and Windows
8. Replace the key lock cylinder cap. SeeDoor Locks 015.
Programming without Recognized
Remote Keys
If two currently recognized remote keys are
not available, follow this procedure to
program up to eight remote keys. This
feature is not available in Canada. This
procedure will take approximately
30 minutes to complete. The vehicle must
be off and all of the remote keys you wish
to program must be with you. 1. Remove the key from the remote key.
2. 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 handle and turn the key
counterclockwise, to the unlock position,
five times within 10 seconds.
The DIC displays REMOTE LEARN
PENDING, PLEASE WAIT.
3. Wait for 10 minutes until the DIC displays PRESS ENGINE START BUTTON TO
LEARN and then press ENGINE
START/STOP.
The DIC display will again show REMOTE
LEARN PENDING, PLEASE WAIT. 4. Repeat Step 2 two additional times. After
the third time all previously known
remote keys will no longer work with
the vehicle. Remaining remote keys can
be relearned during the next steps.
The DIC display should now show READY
FOR REMOTE # 1.
5. Place the new remote key into the frontcupholder.
6. 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.
7. Remove the remote key from the front cupholder. and press the remote key
I
orHbutton. To program additional remote keys,
repeat Steps 4–6.
When all additional remote keys are
programmed, press and hold ENGINE
START/STOP for 12 seconds to exit
programming mode.
8. Return the key back into the remote key.
9. Replace the key lock cylinder cap. See Door Locks 015.
Starting the Vehicle with a Low remote
key Battery
When starting the vehicle, if the remote key
battery is depleted, there is signal
interference, or the remote key has been
idle for a while, the DIC may display NO
REMOTE DETECTED or NO REMOTE KEY WAS
DETECTED PLACE KEY IN TRANSMITTER
POCKET THEN START YOUR VEHICLE. The DIC
may also display REPLACE BATTERY IN
REMOTE KEY.
For improved vehicle security, the remote
key is equipped with a motion sensor. First,
move the remote key slightly and try
starting the vehicle. If the vehicle still does
not start and the DIC displays the same
warnings above, follow the steps shown
below.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 13
To start the vehicle:
1. Place the remote key in the frontcupholder.
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
(Continued)
Warning (Continued)
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 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
(Continued)
Caution (Continued)
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 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 REMOTE KEY.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
14 Keys, Doors, and Windows
1. Press the button on the side of theremote key near the bottom and pull the
mechanical key out. Never pull the
mechanical key out without pressing the
button.2. Use the mechanical key blade in the slotto remove the battery cover by hand.
3. Remove the battery cover.
4. Pull on the tab to access the battery. 5. Remove the old battery. Do not use a
metal object.
6. Insert the new battery, positive side facing up. Replace with a CR2450 or
equivalent battery.
7. Place the seal back into the groove around the battery compartment.
8. Replace the battery cover by snapping it back into the remote key.
9. Reinsert the mechanical key.
Remote Vehicle Start
This feature allows the engine to be started
from outside of the vehicle.
S: This button is on the remote key for
remote start. The remote key range may be
lessened while the vehicle is running.
The climate control system will use the
previous settings during a remote start. The
rear defog may come on during a remote
start based on cold conditions. The rear
defog indicator light will not come on
during a remote start.
If the vehicle has auto heated or ventilated
seats they may come on during a remote
start. See Heated and Ventilated Front Seats
0 42.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
17180837) - 2024 - CRC - 2/28/23
Keys, Doors, and Windows 15
Laws in some local communities may restrict
the use of remote starters. For example,
some laws may require a person using
remote start to have the vehicle in view.
Check local regulations for any
requirements.
Do not use remote start if the vehicle is low
on fuel. The vehicle may run out of fuel.
Other conditions can affect the performance
of the remote key. SeeRemote Key08.
Starting the Engine Using Remote Start
1. Press
Stwice on the remote key
and hold.
The turn signal lamps will flash to
confirm that the remote start request
was received.
The vehicle will turn off after
20 minutes, unless you stop the remote
start before the cycle has completed or
you turn the vehicle on.
2. Hold the brake pedal and press ENGINE START/STOP to drive.
Extending Engine Run Time
The total remote start time is 40 minutes.
After two remote starts of 20 minutes,
or multiple shorter starts totalling 40 minutes have been used, the vehicle
must be started and then turned off before
remote start can be used again.
Canceling a Remote Start
To cancel a remote start, do any of the
following:
.Press and holdS. The parking lamps
will turn off.
.Turn on the hazard warning flashers.
.Turn the vehicle on and then off.
Conditions in Which Remote Start Will
Not Work
The vehicle cannot be remote started if:
.The remote key is in the vehicle.
.The hood is open
.40 minutes of remote start time have
been used.
.The hazard warning flashers are on.
.The vehicle is not in P (Park).
.The vehicle is already started.
If the battery level is low, do not use the
remote start feature. The battery may fully
deplete.
Door Locks
{Warning
Unlocked doors can be dangerous.
.Passengers, especially children, can
easily open the doors and fall out of a
moving vehicle. The doors can be
unlocked and opened while the vehicle
is moving. The chance of being thrown
out of the vehicle in a crash is
increased if the doors are not locked.
So, all passengers should wear seat
belts properly and the doors should be
locked whenever the vehicle is driven.
.Young children who get into unlocked
vehicles may be unable to get out.
A child can be overcome by extreme
heat and can suffer permanent injuries
or even death from heat stroke.
Always lock the vehicle whenever
leaving it.
.Outsiders can easily enter through an
unlocked door when you slow down
or stop the vehicle. Locking the doors
can help prevent this from happening.

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.