2021 CADILLAC XT6 climate

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
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
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
20 KEYS, DOORS, AND WINDOWS
Doors
Liftgate
{Warning
Exhaust gases can enter the vehicle
if it is driven with the liftgate or
trunk/hatch open, or with any
objects that pass through the seal
between the body and the trunk/
hatch or liftgate. Engine exhaust
contains carbon monoxide (CO)
which cannot be seen or smelled.
It can cause unconsciousness and
even death.
If the vehicle must be driven with
the liftgate or trunk/hatch open:
.Close all of the windows.
.Fully open the air outlets on or
under the instrument panel.
.Adjust the climate control
system to a setting that brings in
only outside air and set the fan
speed to the highest setting. See
“Climate Control Systems”in the
Index.
(Continued)
Warning (Continued)
.If the vehicle is equipped with a
power liftgate, disable the power
liftgate function.
See Engine Exhaust 0239.
Caution
To avoid damage to the liftgate or
liftgate glass, make sure the area
above and behind the liftgate is
clear before opening it.
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.
Caution
Driving with an open and
unsecured liftgate may result in
damage to the power liftgate
components.
The power liftgate switch is on the
driver door. The vehicle must be in
P (Park).

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
KEYS, DOORS, AND WINDOWS 31
Memory Mirrors
The vehicle may have memory
mirrors. SeeMemory Seats 043.
Lane Change Alert (LCA)
The vehicle may have LCA. See Lane
Change Alert (LCA) 0281.
Folding Mirrors
Manual Folding Mirrors
If equipped, manually fold the mirrors
inward toward the vehicle to prevent
damage when going through an
automatic car wash. Push the mirror
outward to return it to the original
position.
Power Folding Mirrors
If equipped, press{to power fold the
mirrors. Press
{again to unfold.
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
.The mirrors are accidentally
obstructed while folding.
.They are accidentally manually
folded/unfolded.
.The mirrors do not stay in the
unfolded position.
.The mirrors vibrate at normal
driving speeds. Fold and unfold the mirrors one time
using the mirror controls to reset
them to their normal position. A noise
may be heard during the resetting of
the power folding mirrors. This sound
is normal after a manual folding
operation.
Remote Mirror Folding
If equipped, press and holdQon the
RKE transmitter for approximately
one second to remotely fold the
exterior mirrors. Press and hold
Kon
the RKE transmitter for approximately
one second to unfold. See Remote
Keyless Entry (RKE) System Operation
0 7.
This feature is turned on or off
through vehicle personalization. See
Vehicle Personalization 0130.
Heated Mirrors
K:Press to heat the mirrors.
See “Rear Window Defogger” under
Dual Automatic Climate Control System
0 208.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
46 SEATS AND RESTRAINTS
Heated and Ventilated Seat ButtonsShown, Heated Seat Buttons Similar
If equipped, the buttons are near the
climate controls on the center stack.
To operate, the engine must be
running.
Press
MorLto heat the driver or
passenger seatback and cushion.
Press
Cor{, if equipped, to ventilate
the driver or passenger seat.
A ventilated seat has a fan that pulls
or pushes air through the seat. The air
is not cooled. When this feature is off, the heated
and ventilated seat symbols on the
buttons are white. When a heated seat
is turned on, the symbol turns red.
When a ventilated seat is turned on,
the symbol turns blue.
Press the button once for the highest
setting. With each press of the button,
the seat will change to the next lower
setting, and then to the off setting.
The indicator lights next to the
buttons indicate three for the highest
setting and one for the lowest. If the
heated seats are on high, the level
may automatically be lowered after
approximately 30 minutes.
The passenger seat may take longer to
heat up.
Auto Heated and Ventilated Seats
When the vehicle is on, this feature
will automatically activate the heated
or ventilated seats at the level
required by the vehicle’s interior
temperature.
The active high, medium, low, or off
heated or ventilated seat level will be
indicated by the manual heated or
ventilated seat buttons on the centerstack. Use the manual heated or
ventilated seat buttons on the center
stack to turn auto heated or ventilated
seats off. If the passenger seat is
unoccupied, the auto heated or
ventilated seats feature will not
activate that seat. The auto heated or
ventilated seats feature can be
programmed to always be enabled
when the vehicle is on.
See
Vehicle Personalization 0130.
Remote Start Heated and Ventilated
Seats
During a remote start, the heated or
ventilated seats, if equipped, can be
turned on automatically. When it is
cold outside, the heated seats turn on,
and when it is hot outside the
ventilated seats turn on. If the auto
heated or ventilated seats feature,
if equipped, is not turned on, the
heated or ventilated seats will be
canceled when the ignition is turned
on. Press the heated or ventilated seat
button to use the heated or ventilated
seats after the vehicle is started.
The heated or ventilated seat
indicator lights do not turn on during
a remote start.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
50 SEATS AND RESTRAINTS
Heated Rear Seats
{Warning
If temperature change or pain to
the skin cannot be felt, the seat
heater may cause burns. See the
Warning underHeated and
Ventilated Front Seats 045.
If available, the buttons are on the
rear of the center console.
With the engine running, press
Mor
Lto heat the left or right outboard
seat cushion. An indicator on the
climate control display appears when
this feature is on. This feature turns on at the highest
setting. With each press of the button,
the heated seat changes to the next
lower setting, and then the off setting.
Three lights indicate the highest
setting, and one light indicates the
lowest. If the heated seats are on high,
the level may automatically be
lowered after approximately
30 minutes.
Third Row Seats
{Warning
Using the third row seating position
while the second row is folded,
or pushed forward in the entry
position, could cause injury in a
sudden stop or crash. Be sure to
return the seat to the passenger
seating position. Push and pull on
the seat to make sure it is locked
into place.
Caution
Folding a rear seat with the seat
belts still fastened may cause
damage to the seat or the seat
belts. Always unbuckle the seat
belts and return them to their
normal stowed position before
folding a rear seat.
Folding the Seatback
1. Remove objects on the floor in
front of or on the second row seat,
or in the seat tracks on the floor.
2. If the second row seat is in the full rear position, adjust it forward to
allow the third row seat to fold
fully flat.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-14574701) -
2021 - CRC - 2/8/21
INSTRUMENTS AND CONTROLS 131
3. Touch to select the desired featuresetting.
4. Touch
9orRto turn a feature off
or on.
5. Touch
zto go to the top level of
the Settings menu.
The menu may contain the following:
Rear Seat Reminder
This allows for a chime and a message
when the rear door has been opened
before or during operation of the
vehicle.
Touch Off or On.
Climate and Air Quality
Touch and the following may display:
.Auto Fan Speed
.Auto Cooled Seats
.Auto Heated Seats
.Auto Defog
.Auto Rear Defog
.Ionizer Auto Fan Speed
This setting specifies the amount of
airf low when the climate control fan
setting is Auto Fan.
Touch Low, Medium, or High.
Auto Cooled Seats
This setting automatically turns on
and regulates the ventilated seats
when the cabin temperature is warm.
See
Heated and Ventilated Front Seats
0 45.
Touch Off or On.
Auto Heated Seats
This setting automatically turns on
and regulates the heated seats when
the cabin temperature is cool. The
auto heated seats can be turned off by
using the heated seat buttons on the
center stack. See Heated and Ventilated
Front Seats 045.
If equipped with the auto heated
steering wheel, this feature will turn
on when the auto heated seats
turn on.
Touch Off or On. Auto Defog
This setting automatically directs air
to the windshield to assist in
defogging, based on temperature and
humidity conditions.
Touch Off or On.
Auto Rear Defog
This setting automatically turns the
rear defogger on based on temperature
and humidity conditions.
Touch Off or On.
Ionizer
If equipped and on, this feature helps
clean the air inside the vehicle and
remove contaminants such as pollen,
odors, and dust. See
Dual Automatic
Climate Control System 0208.
Touch Off or On.
Collision / Detection Systems
Touch and the following may display:
.Alert Type
.Forward Collision System
.Front Pedestrian Detection
.Rear Pedestrian Detection
.Adaptive Cruise Go Notifier