2021 CADILLAC XT6 key

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . 6
Seats and Restraints . . . . . . . . . . . . . . . 39
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Instruments and Controls . . . . . . . . 100
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Infotainment System . . . . . . . . . . . . . 146
Climate Controls . . . . . . . . . . . . . . . . . . 208
Driving and Operating . . . . . . . . . . . . 217
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . 303
Service and Maintenance . . . . . . . . . 379
Technical Data . . . . . . . . . . . . . . . . . . . . 393
Customer Information . . . . . . . . . . . . 397
Reporting Safety Defects . . . . . . . . . 407
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Connected Services . . . . . . . . . . . . . . . 415
Index . . . . . . . . . . . . . . . . . . . . . . . . 418
Introduction
The names, logos, emblems, slogans,
vehicle model names, and vehicle
body designs appearing in this manual
including, but not limited to, GM, the
GM logo, CADILLAC, the CADILLAC
Emblem, and XT6are trademarks and/
or service marks of General Motors
LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada,
substitute the name “General Motors
of Canada Company ”for Cadillac
Motor Car Division wherever it
appears in this manual.
This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle, model variants, country specifications,
features/applications that may not be
available in your region, or changes
subsequent to the printing of this
owner’s manual.
Refer to the purchase documentation
relating to your specific vehicle to
confirm the features.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce
guide en français auprès du
concessionnaire ou à l'adresse
suivante:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
USA
Litho in U.S.A.
Part No. 84581320 C Third Printing©2021 General Motors LLC. All Rights Reserved.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
6 KEYS, DOORS, AND WINDOWS
Keys, Doors, and
Windows
Keys and Locks
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Remote Keyless Entry (RKE)System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Remote Keyless Entry (RKE) System Operation . . . . . . . . . . . . . . . . . 7
Remote Vehicle Start . . . . . . . . . . . . . . 14
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power Door Locks . . . . . . . . . . . . . . . . . 18
Delayed Locking . . . . . . . . . . . . . . . . . . . 18
Automatic Door Locks . . . . . . . . . . . . 18
Lockout Protection . . . . . . . . . . . . . . . . 18
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . 19
Doors
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Vehicle Security
Vehicle Security . . . . . . . . . . . . . . . . . . . . 27
Vehicle Alarm System . . . . . . . . . . . . . 27
Steering Column Lock . . . . . . . . . . . . . 28
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 29
Immobilizer Operation . . . . . . . . . . . . 29
Exterior Mirrors
Convex Mirrors . . . . . . . . . . . . . . . . . . . . 30
Power Mirrors . . . . . . . . . . . . . . . . . . . . . . 30
Folding Mirrors . . . . . . . . . . . . . . . . . . . . 31
Heated Mirrors . . . . . . . . . . . . . . . . . . . . . 31
Automatic Dimming Mirror . . . . . . . 32
Reverse Tilt Mirrors . . . . . . . . . . . . . . . 32
Interior Mirrors
Interior Rearview Mirrors . . . . . . . . . 32
Automatic Dimming Rearview Mirror . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Rear Camera Mirror . . . . . . . . . . . . . . . 32
Windows
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Power Windows . . . . . . . . . . . . . . . . . . . . 35
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Roof
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Keys and Locks
Keys
{Warning
Leaving children in a vehicle with a
Remote Keyless Entry (RKE)
transmitter is dangerous and
children or others could be
seriously injured or killed. They
could operate the power windows
or other controls or make the
vehicle move. The windows will
function with the RKE transmitter
in the vehicle, and children or
others could be caught in the path
of a closing window. Do not leave
children in a vehicle with an RKE
transmitter.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 7
The key, inside the Remote Keyless
Entry (RKE) transmitter, can be used
for all locks.
To remove the key, press the button
on the side of the transmitter, near
the bottom, 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.
Periodically, clean with a brush or
a pick.
See your dealer if a new key is needed.
Contact Roadside Service if locked out
of the vehicle. SeeRoadside Service
0 401.
With an active OnStar or connected
service plan, an OnStar Advisor may
remotely unlock the vehicle. See
OnStar Overview 0410.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement 0406.
If there is a decrease in the key
operating range:
.Check the distance. The key may be
too far from the vehicle.
.Check the location. Other vehicles
or objects may be blocking the
signal.
.Check the key battery. See “Battery
Replacement ”later in this section.
.If the key 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 Remote
Keyless Entry (RKE) 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 7.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
8 KEYS, DOORS, AND WINDOWS
Q:Press to lock all doors and if
equipped, the fuel door. The turn
signal indicators may flash and/or the
horn may sound on the second press
to indicate locking. See Vehicle
Personalization 0130.
If the driver door is open when
Qis
pressed and Open Door Anti-Lockout
is enabled, all doors will lock and then
the driver door will immediately
unlock. See Vehicle Personalization
0 130. If the passenger door is open
when
Qis pressed, all doors lock.
Pressing
Qmay also arm the
theft-deterrent system. See Vehicle
Alarm System 027. If equipped with remote folding
mirrors, press and hold
Qfor
one second to fold the mirrors,
if enabled. See Vehicle Personalization
0 130.
K:Press to unlock the driver door
and if equipped, the fuel door. Press
unlock again within five seconds to
unlock all doors. The RKE transmitter
can be programmed to unlock all
doors on the first button press. See
Vehicle Personalization 0130. The turn
signal indicators may flash to indicate
unlocking. See Vehicle Personalization
0 130. When remotely unlocking the
vehicle at night, the lights come on
briefly to light your approach to the
vehicle.
Pressing
Kwill disarm the
theft-deterrent system. See Vehicle
Alarm System 027.
If equipped with remote folding
mirrors, press and hold
Kfor
one second to unfold the mirrors,
if enabled. See Vehicle Personalization
0 130. If equipped with remote windows,
press and hold
Kuntil the windows
fully open, if enabled. See Vehicle
Personalization 0130.
/:Press and releaseQand then
immediately press and hold
/for at
least four seconds to start the engine
from outside the vehicle using the
RKE transmitter. 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.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 9
Keyless Access Operation
With the Keyless Access system, you
can lock and unlock the doors and
access the liftgate without removing
the RKE transmitter from your pocket,
purse, briefcase, etc. The RKE
transmitter 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 unlocking can also be turned
off. SeeVehicle Personalization 0130.
If equipped with memory seats, RKE
transmitters 1 and 2 are linked to
seating positions of memory 1 or 2.
See Memory Seats 043.
Keyless Unlocking/Locking from the
Driver Door
When the doors are locked and the
RKE transmitter 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
Pressing the lock/unlock button will
cause all doors to lock if any of the
following occur:
.It has been no 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
RKE transmitter 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 any of the following occur:
.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
Q
andKon the RKE transmitter 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

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.