Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
14 Keys, Doors, and Windows
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
Locks 020. 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
KorQbutton.
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.
8. Replace the key lock cylinder cap. See Door
Locks 020.
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
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 15
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
Locks 020. 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 keyinto the front cupholder. 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
KorQbutton.
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 020.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 19
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. See Remote Key
09.
Starting the Engine Using
Remote Start
1. Press and release
Qon the
remote key.
2. Immediately press and hold
/for at least four seconds
or until the turn signal
lamps flash. The turn signal
lamps flashing confirms
the request to remote
start the vehicle has been
received. During the remote start
the doors will be locked
and the parking lamps will
remain on as long as the
engine is running.
The engine will shut off
after 15 minutes unless a
time extension is done or
the ignition is turned on.
3. With the remote key in the vehicle, press the brake
pedal and start the vehicle
to drive.
Extending Engine Run Time
The engine run time can also
be extended by another
15 minutes, if during the first
15 minutes Steps 1 and 2 are
repeated while the engine is
still running. An extension can
be requested 30 seconds
after starting. This provides a
total of 30 minutes.
The remote start can only be
extended once. When the remote start is
extended, the second
15-minute period is added on
to the first 15 minutes for a
total of 30 minutes.
A maximum of two remote
starts, or a remote start with
an extension, are allowed
between ignition cycles.
The ignition must be turned on
and then off before the
remote start procedure can be
used again.
Canceling a Remote Start
To cancel a remote start, do
any of the following:
.Press and hold/until the
parking lamps turn off.
.Turn on the hazard warning
flashers.
.Turn the vehicle on and
then off.
Conditions in Which Remote
Start Will Not Work
The remote start will not
operate if any of the following
occur:
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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20 Keys, Doors, and Windows
.The remote key is in the
vehicle.
.The vehicle is not off.
.The hood is not closed.
.The hazard warning flashers
are on.
.There is an emission control
system malfunction.
.The engine coolant
temperature is too high.
.The oil pressure is low.
.Two remote vehicle starts or
a start with an extension
have already been used.
.The vehicle is not in P (Park).
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(Continued)
Warning (Continued)
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. To lock/unlock the doors from
outside the vehicle:
.PressQorKon the remote
key. See Remote Key
Operation 09.
.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:
.PressQorKon the power
door lock switch. See Power
Door Locks 022.
.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.
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Keys, Doors, and Windows 21
Keyless Access
The 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” in
Remote Key Operation 09. 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.
2. Insert the two tabs (6) atthe back of the cap
between the seal (5) and
the metal base (4).
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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22 Keys, Doors, and Windows
3. Slide the cap forward andpress the forward edge to
install the cap in place.
4. Release the door handle. 5. Check that the cap is
secure.
Free-Turning Locks
The door key lock cylinder
turns freely when either the
wrong key is used, or the
correct key is not fully
inserted. The free-turning
door lock feature prevents the
lock cylinder from being forced
open. To reset the lock
cylinder, ensure the correct
key is fully inserted into the
lock cylinder. Rotate the key
until you feel the lock cylinder
click back into place. Remove
the key and reinsert fully,
rotate the key to unlock the
vehicle.
Power Door Locks
Q: Press to lock the doors.
The indicator light in the
switch will illuminate when
locked.
K: Press to unlock the doors.
Delayed Locking
This feature delays the locking
of the doors until five seconds
after all doors are closed.
Delayed locking can only be
turned on when Open Door
Anti-Lockout has been
turned off.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Keys, Doors, and Windows 23
WhenQis pressed on the
power door lock switch while
the door is open, a chime will
sound three times indicating
delayed locking is active.
The doors will lock
automatically five seconds
after all doors are closed. If a
door is reopened before that
time, the five-second timer will
reset when all doors are
closed again.
Press
Qon the door lock
switch again or press
Qon the
remote key to lock the doors
immediately.
This feature can also 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 ignition 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 remote key inside. If an
remote key is detected and
the number of remote 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 XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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24 Keys, Doors, and Windows
Open Door Anti-Lockout
If Open Door Anti-Lockout is
turned on and the vehicle is
off, the driver door is open,
and locking is requested, all
the doors will lock and the
driver door will remain
unlocked. The Open Door
Anti-Lockout feature can be
turned on or off. To view
available settings from the
infotainment screen, touch
Settings > Vehicle > Power
Door Locks > Open Door Anti
Lockout.
Safety Locks
The rear door safety locks
prevent passengers from
opening the rear doors from
inside the vehicle.
The safety lock is on the inside
edge of the rear doors. To use
the safety lock:1. Move the lever down to the lock position.
2. Close the door.
3. Do the same for the other rear door.
To open a rear door when the
safety lock is on: 1. Unlock the door by activating the inside
handle, by pressing the
power door unlock switch,
or by using the remote key. 2. Open the door from the
outside.
When the safety lock is
enabled, adults and older
children will not be able to
open the rear door from the
inside. Cancel the safety locks
to enable the doors to open
from the inside.
To cancel the safety lock: 1. Unlock the door and open it from the outside.
2. Move the lever up to unlock. Do the same for
the other door.
Doors
Liftgate
{Warning
Exhaust gases can enter the
vehicle if it is driven with the
liftgate or trunk/hatch open,
or with any objects that
pass through the seal
between the body and the
(Continued)