2020 CADILLAC XT4 key battery

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
8 KEYS, DOORS, AND WINDOWS
The key inside the Remote Keyless
Entry (RKE) transmitter can be used
for all locks.
To remove the key, press the button
near the bottom of the transmitter,
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.
See your dealer if a new key is needed.
Contact Roadside Service if locked out
of the vehicle. SeeRoadside Service
0 340.
With an active OnStar or connected
service plan, an OnStar Advisor may
remotely unlock the vehicle. See
OnStar Overview 0350.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement 0345.
If there is a decrease in the Remote
Keyless Entry (RKE) operating range:
. Check the distance. The
transmitter may be too far from
the vehicle.
. Check the location. Other vehicles
or objects may be blocking the
signal. .
Check the transmitter's battery.
See “Battery Replacement ”later in
this section.
. If the transmitter is still not
working correctly, see your dealer
or a qualified technician for
service.
Remote Keyless Entry
(RKE) System Operation
The Keyless Access system allows for
vehicle entry when the transmitter is
within 1 m (3 ft). See “Keyless Access
Operation ”following.
The RKE transmitter functions may
work up to 60 m (197 ft) away from
the vehicle.
Other conditions can impact the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0 8.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
KEYS, DOORS, AND WINDOWS 11
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
Q
andKon the RKE transmitter 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 RKE transmitter has been
removed or none remain in the
interior.
If other electronic devices interfere
with the RKE transmitter signal, the
vehicle may not detect the RKE
transmitter inside the vehicle.
If passive locking is enabled, the doors
may lock with the RKE transmitter inside the vehicle. Do not leave the
RKE transmitter in an unattended
vehicle.
To customize the doors to
automatically lock when exiting the
vehicle, see
Vehicle Personalization
0 131.
Temporary Disable of Passive
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 locking will
then remain disabled until
Qon 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
RKE transmitter is left in the vehicle,
the horn will chirp three times after
all doors are closed. To turn on or off,
see Vehicle Personalization 0131. Remote 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 RKE
transmitter(s) inside. If an RKE
transmitter is not detected, the Driver
Information 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 turn on or off, see
Vehicle
Personalization 0131.
Keyless Liftgate Opening
Press the touch pad on the liftgate
handle to open the liftgate if the RKE
transmitter is within 1 m (3 ft).
Key Access
To access a vehicle with a weak
transmitter battery, see Door Locks
0 17.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
KEYS, DOORS, AND WINDOWS 13
complete. The vehicle must be off and
all of the transmitters you wish to
program must be with you.1. Remove the key from the RKE transmitter.
2. Remove the key lock cylinder cap on the driver door handle. See
Door Locks 017. Insert the
vehicle key of the transmitter
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 transmitters
will no longer work with the
vehicle. Remaining transmitters
can be relearned during the next
steps.
The DIC display should now
show READY FOR REMOTE # 1.
5. Place the new transmitter into
the front cupholder.
6. Press ENGINE START/STOP. When the transmitter is learned
the DIC display will show that it
is ready to program the next
transmitter. 7. Remove the transmitter from the
front cupholder. and press the
transmitter
KorQbutton.
To program additional
transmitters, repeat Steps 4–6.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
12 seconds to exit
programming mode.
8. Return the key back into the transmitter.
9. Replace the key lock cylinder cap. See Door Locks 017.
Starting the Vehicle with a Low
Transmitter Battery
When starting the vehicle, if the RKE
transmitter battery is depleted, there
is signal interference, or the RKE
transmitter 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.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
14 KEYS, DOORS, AND WINDOWS
For improved vehicle security, the
RKE transmitter is equipped with a
motion sensor. First, move the RKE
transmitter 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 transmitter in the frontcupholder.
2. With the vehicle in P (Park) or N (Neutral), press the brake pedal
and ENGINE START/STOP. Replace the transmitter battery
as soon as possible.
Battery Replacement
{Warning
Never allow children to play with
the RKE transmitter. The
transmitter 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 RKE
transmitter 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
transmitter. Static from your body
could damage the transmitter.
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.
Replace the battery if the DIC displays
REPLACE BATTERY IN REMOTE KEY.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
KEYS, DOORS, AND WINDOWS 15
1. Press the button on the side ofthe RKE transmitter near the
bottom and pull the key out.
Never pull the key out without
pressing the button.2. Separate the two halves of thetransmitter using a flat tool
inserted into the bottom center
of the transmitter. Do not use
the key slot.3. Remove the old battery. Do notuse a metal object.
4. Insert the new battery on the back housing, positive side facing
down. Replace with a CR2032 or
equivalent battery.
5. Align the front and back housing then snap the transmitter
together.
6. Reinsert the key.
Remote Vehicle Start
This feature allows the engine to be
started from outside of the vehicle.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
18 KEYS, DOORS, AND WINDOWS
.Pull the door handle once to
unlock it. Pull the door handle
again to unlatch it.
Keyless Access
The RKE transmitter 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 Keyless Entry (RKE) System
Operation 08. 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) at the
back of the cap between the
seal (5) and the metal base (4).

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
22 KEYS, DOORS, AND WINDOWS
Warning (Continued)
set the fan speed to the
highest setting. See“Climate
Control Systems” in the Index.
. If the vehicle is equipped with
a power liftgate, disable the
power liftgate function.
See Engine Exhaust 0181.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area
above and behind the liftgate is
clear before opening it.
Manual Liftgate
To open the liftgate, pressKon the
power door lock switch or press
Kon
the RKE transmitter twice to unlock
all doors. Press the touch pad on the
underside of the liftgate handle and
lift up.
Use the pull cup to lower and close
the liftgate. Do not press the touch
pad while closing the liftgate. This will
cause the liftgate to be unlatched. For Keyless Access, the RKE
transmitter must be within 1 m (3 ft)
of the liftgate to automatically unlock
it. See
Remote Keyless Entry (RKE)
System Operation 08.
The liftgate has an electric latch.
If the battery is disconnected or has
low voltage, the liftgate will not open.
The liftgate will resume operation
when the battery is reconnected and
charged.
Always close the liftgate before
driving.
Power Liftgate Operation
{Warning
You or others could be injured if
caught in the path of the power
liftgate. Make sure there is no one
in the way of the liftgate as it is
opening and closing.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
KEYS, DOORS, AND WINDOWS 27
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 personalization.
See Vehicle Personalization 0131.
. The power liftgate is turned off.
. The vehicle remains parked for
72 hours or more, with no RKE
transmitter use or Keyless Access
operation. To re-enable, press any
button on the RKE transmitter or
open and close a vehicle door.
The projected logo will not work for a
single RKE transmitter 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.