2023 CADILLAC XT4 window

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-
16412876) - 2023 - CRC - 3/25/22
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-
16412876) - 2023 - CRC - 3/25/22
16 Keys, Doors, and Windows
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.To start the vehicle:
1. Place the remote key in
the front 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
heat. These surfaces can be
hot to the touch at
temperatures above 59 °C
(138 °F).

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Keys, Doors, and Windows 17
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
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.
1. 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.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
18 Keys, Doors, and Windows
2. Separate the two halves ofthe remote key using a flat
tool inserted into the
bottom center of the
remote key. Do not use the
key slot.3. Remove the old battery.Do not use a metal object.
4. Insert the new battery on the back housing, positive
side facing down. Replace
with a CR2032 or
equivalent battery.
5. Ensure that the silicone mat is correctly positioned
with no gaps or wrinkles.
6. Set remote key button side down on a hard surface
and press the other half
straight down to force the
halves together.
7. Reinsert the key.
Remote Vehicle Start
This feature allows the engine
to be started from outside of
the vehicle.
/: This button is on the
remote key for remote start.
The climate control system will
determine the best mode and
temperature setting for
operation during the remote
start. Once the vehicle is
started with the ENGINE
START/STOP button, the
climate control system will
begin to operate at the last
customer selected operating
mode and temperature. The
rear defog may come on
during remote start based on
cold ambient conditions. The
rear fog indicator light does
not come on during 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 053.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
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-
16412876) - 2023 - CRC - 3/25/22
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.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
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).