CADILLAC XT6 2021 User Guide

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
10 KEYS, DOORS, AND WINDOWS
signal lamps to flash four times
quickly, indicating access is disabled.
If disabled, disarm the alarm system
before starting the vehicle.
Disabling Keyless Unlocking may also
be configured under Vehicle
Personalization. SeeVehicle
Personalization 0130.
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.
Enabling Keyless Unlocking may also
be configured under Vehicle
Personalization. See Vehicle
Personalization 0130.
Passive Locking
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 equipped, the fuel door will lock. 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
0 130.
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 0130.
Remote No Longer in Vehicle
If the vehicle is on with a door open,
and then all doors are closed, the
vehicle will check for RKE
transmitters 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 0130.
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).

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 11
Key Access
To access a vehicle with a weak
transmitter battery, seeDoor Locks
0 15.
Programming Transmitters to
the Vehicle
Only RKE transmitters programmed to
the vehicle will work. If a transmitter
is lost or stolen, a replacement can be
purchased and programmed through
your dealer.
The vehicle can be reprogrammed so
that lost or stolen transmitters no
longer work. Each vehicle can have up
to eight transmitters matched to it.
Programming with Recognized
Transmitters
A new transmitter can be programmed
to the vehicle when there are two
recognized transmitters.
To program, the vehicle must be off
and all of the transmitters, both
currently recognized and new, must
be with you.
1. Place the two recognized transmitters in the cupholder. 2. Remove the key lock cylinder cap
on the driver door handle. See Door
Locks 015. Insert the vehicle key of
the transmitter 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.
3. Place the new transmitter into the transmitter pocket. The transmitter
pocket is inside the center console
storage area between the driver and
front passenger seats. The storage area will need to be opened and the
storage tray lifted up to access the
transmitter pocket.
4. Press ENGINE START/STOP. When the transmitter is learned the DIC
display will show that it is ready to
program the next transmitter.
5. Remove the transmitter from the transmitter pocket and press the
transmitter
KorQbutton.
To program additional transmitters,
repeat Steps 3–5.
When all additional transmitters
are programmed, press and hold
ENGINE START/STOP for
12 seconds to exit
programming mode.
6. Return the key back into the transmitter.
7. Replace the key lock cylinder cap. See Door Locks 015.
Programming without Recognized
Transmitters
If two currently recognized
transmitters are not available, follow
this procedure to program up to eight
transmitters. This feature is not

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
12 KEYS, DOORS, AND WINDOWS
available in Canada. This procedure
will take approximately 30 minutes to
complete. The vehicle must be off and
all of the transmitters you wish to
program must be with you.1. Remove the key lock cylinder cap on the driver door handle. See Door
Locks 015. 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.
2. 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.
3. 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.
4. Place the new transmitter into the
transmitter pocket. The transmitter
pocket is inside the center console
storage area between the driver and
front passenger seats. The storage
area will need to be opened and the
storage tray lifted up to access the
transmitter pocket.
5. Press ENGINE START/STOP. When the transmitter is learned the DIC
display will show that it is ready to
program the next transmitter. 6. Remove the transmitter from the
transmitter pocket 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.
7. Return the key back into the transmitter.
8. Replace the key lock cylinder cap. See Door Locks 015.
Starting the Vehicle with a Low
Transmitter Battery
When the vehicle is started, if the
transmitter battery is weak, 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.
To start the vehicle:
1. Open the center console storage area and the storage tray.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 13
2. Place the transmitter in thetransmitter pocket.
3. 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
(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 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 XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
14 KEYS, DOORS, AND WINDOWS
1. Press the button on the side of theRKE 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 not usea 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.
/: This button is on the RKE
transmitter for remote start. The climate control system will use
the previous settings during a remote
start. The rear window defogger may
come on during remote start based on
cold ambient conditions. The rear
window defogger 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 045.
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 the remote start feature if
the vehicle is low on fuel. The vehicle
could run out of fuel.
Other conditions can affect the
performance of the transmitter. See
Remote Keyless Entry (RKE) System
0 7.
Starting the Engine Using Remote
Start
1. Press and release
Qon the RKE
transmitter.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 15
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 RKE transmitter 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:
.The RKE transmitter is in the
vehicle.
.The ignition is on.
.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
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. (Continued)

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
16 KEYS, DOORS, AND WINDOWS
Warning (Continued)
.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
Keyless Entry (RKE) transmitter. See
Remote Keyless Entry (RKE) System
Operation 07.
.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
0 18.
.Pull once on the door handle to
unlock the door and again to open
the door.
.On the front and rear doors, push
down on the door lock knob to lock
the door manually.
Keyless Access
If equipped, the RKE transmitter must
be within 1 m (3 ft) of the liftgate or
door being opened. To unlock the vehicle from the driver
door when all doors are locked:
.Press the button on the driver door
handle once to unlock the driver
door only.
.Press the button again within
five seconds to unlock all doors.
If doors are already unlocked, pressing
the button once will lock all doors.
To lock or unlock the vehicle from any
passenger door:
.Press the button on the passenger
door handle. This will lock or
unlock all doors.
See Remote Keyless Entry (RKE) System
Operation 07.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 17
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 backof the cap between the seal (5) and
the metal base (4).
3. Slide the cap forward and press theforward edge to install the cap in
place.
4. Release the door handle.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
18 KEYS, DOORS, AND WINDOWS
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 from being forced
open. To reset the lock, turn it to the
vertical position with the correct key
fully inserted. Remove the key and
insert it again. If this does not reset
the lock, turn the key halfway around
in the cylinder and repeat the reset
procedure.
Power Door Locks
Q: Press to lock the doors.
K:Press to unlock the doors.
Delayed Locking
This feature delays the locking of the
doors until five seconds after all doors
are closed, and only when the vehicle
is off.
Delayed locking can only be turned on
when Open Door Anti-Lockout has
been turned off.
When
Qis 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 RKE transmitter to
lock the doors immediately.
This feature can also be programmed.
See Vehicle Personalization 0130.
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. See Vehicle
Personalization 0130.
Lockout Protection
If the ignition is on or in ACC/
ACCESSORY 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.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 19
If the vehicle is off and locking is
requested while a door is open, when
all doors are closed the vehicle will
check for RKE transmitters inside.
If an RKE transmitter is detected and
the number of RKE transmitters inside
has not reduced, the driver door will
unlock and the horn will chirp three
times.
Lockout Protection can be manually
overridden by pressing and holding
Q
on the power door lock switch.
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 unlock. The Open Door
Anti-Lockout feature can be turned on
or off. SeeVehicle Personalization
0 130.
Safety Locks
The rear door safety locks prevent
passengers from opening the rear
doors from inside the vehicle.
Manual Safety Locks
If equipped, 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 lock switch, or by using
the Remote Keyless Entry (RKE)
transmitter.
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.