CADILLAC XT6 2021 Owner's Manual

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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
2 INTRODUCTION
Using this Manual
To quickly locate information about
the vehicle, use the Index in the back
of the manual. It is an alphabetical
list of what is in the manual and the
page number where it can be found.
Danger, Warning, and
Caution
Warning messages found on vehicle
labels and in this manual describe
hazards and what to do to avoid or
reduce them.
{Danger
Danger indicates a hazard with a
high level of risk which will result
in serious injury or death.
{Warning
Warning indicates a hazard that
could result in injury or death.
Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do not,”
“Do not do this,” or“Do not let this
happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message, gauge,
or indicator.
M: Shown when the owner’s manual
has additional instructions or
information.
*: Shown when the service manual
has additional instructions or
information.
0: Shown when there is more
information on another page —
“see page.”
Vehicle Symbol Chart
Here are some additional symbols that
may be found on the vehicle and what
they mean. See the features in this
manual for information.
u: Air Conditioning System
G:Air Conditioning Refrigerant Oil
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
$:Brake System Warning Light
9:Dispose of Used Components
Properly
P: Do Not Apply High Pressure
Water
B: Engine Coolant Temperature
_:Flame/Fire Prohibited

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
INTRODUCTION 3
H:Flammable
[:Forward Collision Alert
R:Fuse Block Cover Lock Location
+:Fuses
j:ISOFIX/LATCH System Child
Restraints
Q: Keep Fuse Block Covers Properly
Installed
|: Lane Change Alert
@:Lane Departure Warning
A:Lane Keep Assist
*: Malfunction Indicator Lamp
::Oil Pressure
X:Park Assist
~:Pedestrian Ahead Indicator
O:Power
7:Rear Cross Traffic Alert
I:Registered Technician
/:Remote Vehicle Start
h:Risk of Electrical Fire
>:Seat Belt Reminders
I:Side Blind Zone Alert
h:Stop/Start
7:Tire Pressure Monitor
d:Traction Control/StabiliTrak/
Electronic Stability Control (ESC)
a: Under Pressure
V: Vehicle Ahead Indicator

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
4 INTRODUCTION
Instrument Panel Overview

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
INTRODUCTION 5
1.Air Vents 0215.
2. Exterior Lamp Controls 0139.
Turn Signal Lever. See Turn and
Lane-Change Signals 0142.
IntelliBeam System Button (If
Equipped). See Exterior Lamp
Controls 0139.
3. Instrument Cluster 0109.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0124.
4. Windshield Wiper/Washer 0102.
Rear Window Wiper/Washer 0104.
5. ENGINE START/STOP Button. See Ignition Positions 0232.
6. Park Assist Button. See Assistance
Systems for Parking or Backing
0 264.
Automatic Parking Assist (APA)
Button. See Assistance Systems for
Parking or Backing 0264.
7. Auto Stop Disable Switch. See Stop/
Start System 0234.
8. Light Sensor. See Automatic
Headlamp System 0141. 9.
Hazard Warning Flashers 0142.
Lane Keep Assist (LKA) 0282 (If
Equipped).
10. Infotainment Controls. See Overview 0147.
11. Heated and Ventilated Front Seats
045 (If Equipped).
12. Dual Automatic Climate Control
System 0208.
13. MODE Switch. See Driver Mode
Control 0250.
Traction Control/Electronic Stability
Control 0248.
14. Infotainment Controls. See Overview 0147.
15. Shift Lever. See Automatic
Transmission 0240.
16. Steering Wheel Controls 0101.
17. Steering Wheel Controls 0101.
Driver Information Center (DIC)
Controls. See Driver Information
Center (DIC) 0124.
18. Horn 0102.
19. Steering Wheel Adjustment 0101
(Out of View). 20.
Forward Collision Alert (FCA) System
0272 (If Equipped).
Heated Steering Wheel 0101 (If
Equipped).
21. Cruise Control 0251.
Adaptive Cruise Control (Advanced)
0 254 (If Equipped).
Phone Button. See Steering Wheel
Controls 0101.
22. Data Link Connector (DLC) (Out of View). See Malfunction Indicator
Lamp (Check Engine Light) 0115.
23. Hood Release. See Hood0306.
24. Head-Up Display (HUD) 0126 (If
Equipped).
25. Instrument Panel Illumination
Control 0143.
26. Electric Parking Brake 0246.

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