engine CADILLAC XT6 2023 Owners Manual

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
Introduction 3
{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
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

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
6 Introduction
1. Air Vents0236.
2. Exterior Lamp Controls 0156.
Turn Signal Lever. See
Turn and Lane-Change
Signals 0160.
IntelliBeam System Button
(If Equipped). See Exterior
Lamp Controls 0156.
3. Instrument Cluster 0127.
Driver Information Center
(DIC) Display. See Driver
Information Center (DIC)
0 144.
4. Windshield Wiper/Washer 0118.
Rear Window Wiper/
Washer 0120.
5. ENGINE START/STOP Button. See Ignition
Positions 0257.
6. Park Assist Button. See Park Assist 0318.
Automatic Parking Assist
(APA) Button. See Park
Assist 0318. 7. Stop/Start Disable Switch.
See Stop/Start System
0259.
8. Light Sensor. See Automatic Headlamp
System 0159.
9. Hazard Warning Flashers 0160.
Lane Keep Assist (LKA)
0 338 (If Equipped).
10. Infotainment Controls. See Overview 0165.
11. Heated and Ventilated Front Seats 054 (If
Equipped).
12. Dual Automatic Climate Control System 0228.
13. MODE Switch. See Driver Mode Control 0278.
Traction Control/
Electronic Stability Control
0 276.
14. Infotainment Controls. See Overview 0165.
15. Shift Lever. See Automatic Transmission 0266. 16. Steering Wheel Controls
0167.
17. Steering Wheel Controls 0167.
Driver Information Center
(DIC) Controls. See Driver
Information Center (DIC)
0 144.
18. Horn 0118.
19. Steering Wheel Adjustment 0117 (Out
of View).
20. Forward Collision Alert (FCA) System 0326 (If
Equipped).
Heated Steering Wheel
0 118 (If Equipped).
21. Cruise Control 0280.
Adaptive Cruise Control
(Advanced) 0283 (If
Equipped).
Phone Button. See
Steering Wheel Controls
0 167.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
Introduction 7
22. Data Link Connector (DLC)(Out of View). See
Malfunction Indicator
Lamp (Check Engine Light)
0134.
23. Hood Release. See Hood 0365.
24. Head-Up Display (HUD) 0147 (If Equipped).
25. Instrument Panel Illumination Control 0161.
26. Electric Parking Brake 0274.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
Keys, Doors, and Windows 11
If equipped with remote
folding mirrors, press and hold
Kfor one second to unfold the
mirrors, if enabled. To view
available settings for this
feature, touch the Settings
icon on the infotainment home
page. Select “Vehicle”to
display the list of available
options and select “Comfort
and Convenience”.
If equipped with remote
windows, press and hold
K
until the windows fully open,
if enabled. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select “Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
/: Press and releaseQand
then immediately press and
hold
/for at least
four seconds to start the
engine from outside the
vehicle using the remote key.
See Remote Vehicle Start 019.
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.
Keyless Access Operation
With the Keyless Access
system, you can lock and
unlock the doors and access
the liftgate without removing
the remote key from your
pocket, purse, briefcase, etc.
The remote key 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. To view available
settings for this feature, touch
the Settings icon on the
infotainment home page.
Select
“Vehicle” to display the
list of available options and
select “Remote Lock, Unlock,
Start”.
If equipped with memory
seats, remote keys 1 and 2 are
linked to seating positions of
memory 1 or 2. See Memory
Seats 050.
Keyless Unlocking/Locking
from the Driver Door
When the doors are locked
and the remote key 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

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
Keys, Doors, and Windows 15
4. Press ENGINE START/STOP. When the remote
key is learned the DIC
display will show that it is
ready to program the next
remote key.
5. Remove the remote key from the remote key
pocket and press the
remote key
KorQbutton.
To program additional
remote keys, repeat
Steps 3–5.
When all additional remote
keys are programmed,
press and hold ENGINE
START/STOP for
12 seconds to exit
programming mode.
6. Return the key back into the remote key.
7. Replace the key lock cylinder cap. See Door
Locks 020. Programming without
Recognized Remote Keys
If two currently recognized
remote keys are not available,
follow this procedure to
program up to eight remote
keys. This feature is not
available in Canada. This
procedure will take
approximately 30 minutes to
complete. The vehicle must be
off and all of the remote keys
you wish to program must be
with you.
1. Remove the key lock cylinder cap on the driver
door handle. See Door
Locks 020. Insert the
vehicle key of the remote
key 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 remote keys will no
longer work with the
vehicle. Remaining remote
keys can be relearned
during the next steps.
The DIC display should
now show READY FOR
REMOTE # 1.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
16 Keys, Doors, and Windows
4. Place the new remote keyinto the remote key
pocket. The remote key
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
remote key pocket.
5. Press ENGINE START/ STOP. When the remote
key is learned the DIC
display will show that it is
ready to program the next
remote key. 6. Remove the remote key
from the remote key
pocket and press the
remote key
KorQbutton.
To program additional
remote keys, repeat
Steps 4–6.
When all additional remote
keys are programmed,
press and hold ENGINE
START/STOP for
12 seconds to exit
programming mode.
7. Return the key back into the remote key.
8. Replace the key lock cylinder cap. See Door
Locks 020.
Starting the Vehicle with a
Low Remote Key Battery
When the vehicle is started,
if the remote key battery is
depleted, there is signal
interference, or the remote
key 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.
For improved vehicle security,
the remote key is equipped
with a motion sensor. First,
move the remote key 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. Open the center console storage area and the
storage tray.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
Keys, Doors, and Windows 17
2. Place the transmitter inthe transmitter 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 remote key. The
remote key 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 remote key 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 remote key.
Static from your body could
damage the remote key.
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
(Continued)
Caution (Continued)
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.
Caution
If the remote key is not
reassembled properly,
liquids could enter the
housing and damage the
circuitry, resulting in a
remote key malfunction and/
or failure. To prevent
damage, always follow the
steps for remote key
reassembly in this manual to
ensure the remote key is
sealed properly whenever
the remote key is opened.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
Keys, Doors, and Windows 19
Remote Vehicle Start
This feature allows the engine
to be started from outside of
the vehicle.
/:This button is on the
remote key 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 054.
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
remote key. See Remote Key
0
9.
Starting the Engine Using
Remote Start
1. Press and release
Qon the
remote key.
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 remote key 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.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
20 Keys, Doors, and Windows
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 remote key 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 (Continued)
Warning (Continued)
not locked. So, all
passengers should wear
seat belts properly and
the doors should be
locked whenever the
vehicle is driven.
.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.

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/23/22
Keys, Doors, and Windows 25
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 key.
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.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.
(Continued)
Warning (Continued)
.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.
.If the vehicle is equipped
with a power liftgate,
disable the power liftgate
function.
See Engine Exhaust 0265.
Caution
To avoid damage to the
liftgate or liftgate glass,
make sure the area above
and behind the liftgate is
clear before opening it.