2023 CADILLAC XT6 oil pressure

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
4 Introduction
*: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
k: Vehicle Ahead Indicator

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 - 3/22/22
116 Instruments and Controls
Instruments and
Controls
Controls
Steering WheelAdjustment . . . . . . . . . . . . . . . . . . 117
Heated Steering Wheel . . . 118
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Windshield Wiper/ Washer . . . . . . . . . . . . . . . . . . . . . . 118
Rear Window Wiper/ Washer . . . . . . . . . . . . . . . . . . . . . . 120
Compass . . . . . . . . . . . . . . . . . . . . . . 122
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Power Outlets . . . . . . . . . . . . . . 122
Wireless Charging . . . . . . . . . 123
Warning Lights, Gauges,
and Indicators
Warning Lights, Gauges, and Indicators . . . . . . . . . . . . . 126
Instrument Cluster . . . . . . . . . 127
Speedometer . . . . . . . . . . . . . . . 130
Odometer . . . . . . . . . . . . . . . . . . . . 130
Trip Odometer . . . . . . . . . . . . . . 130
Tachometer . . . . . . . . . . . . . . . . . 130
Fuel Gauge . . . . . . . . . . . . . . . . . . 130
Engine Coolant Temperature Gauge . . . . . 131 Seat Belt Reminders . . . . . . 132
Airbag Readiness
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . 133
Charging System Light . . . 134
Malfunction Indicator Lamp (Check Engine
Light) . . . . . . . . . . . . . . . . . . . . . . . . . 134
Brake System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . 136
Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . 137
Antilock Brake System (ABS) Warning Light . . . . . 138
Performance Shifting Light . . . . . . . . . . . . . . . . . . . . . . . . . 138
All-Wheel-Drive Light . . . . . 138
Lane Keep Assist (LKA) Light . . . . . . . . . . . . . . . . . . . . . . . . . 139
Vehicle Ahead Indicator . . . . . . . . . . . . . . . . . . . . 139
Pedestrian Ahead Indicator . . . . . . . . . . . . . . . . . . . . 139
Traction Off Light . . . . . . . . . 140
StabiliTrak OFF Light . . . . . 140 Traction Control System
(TCS)/StabiliTrak
Light . . . . . . . . . . . . . . . . . . . . . . . . . 140
Driver Mode Control Light . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Tire Pressure Light . . . . . . . . 141
Engine Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Security Light . . . . . . . . . . . . . . . 142
High-Beam On Light . . . . . . 143
Lamps On Reminder . . . . . . 143
Cruise Control Light . . . . . . 143
Door Ajar Light . . . . . . . . . . . . . 144
Information Displays
Driver Information Center (DIC) . . . . . . . . . . . . . . . . 144
Head-Up Display (HUD) . . . 147
Vehicle Messages
Vehicle Messages . . . . . . . . . . 151
Engine Power Messages . . . . . . . . . . . . . . . . . . . 151
Vehicle Speed Messages . . . . . . . . . . . . . . . . . . . 152
Universal Remote System
Universal RemoteSystem . . . . . . . . . . . . . . . . . . . . . . 152

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
142 Instruments and Controls
vehicle is started. See Tire
Pressure Monitor Operation
0412.
Engine Oil Pressure
Light
Caution
Driving the vehicle with low
engine oil pressure can
damage the engine and the
repairs would not be
covered by the vehicle
warranty.
If the engine oil pressure
light comes on while driving:
1. Stop in a safe location and turn off the engine.
2. Check the oil level. See Engine Oil 0370.
3. Add oil if the oil level is below the normal
operating range.
4. Restart the vehicle. If the engine oil pressure light
stays on for more than
(Continued)
Caution (Continued)
10 seconds, turn the
vehicle back off. Do not
restart the vehicle. See
your dealer for service.
This light should come on
briefly when the engine starts.
When the engine is off and the
vehicle is on, the light should
remain illuminated. If it does
not come on under either
condition, contact your dealer.
If the light comes on and stays
on when the engine is running,
it may not have adequate oil
pressure. The oil level may be
low or there may be some
other oil system problem. Turn
the engine off when it is safe
to do so and contact your
dealer.
Low Fuel Warning
Light
A Low Fuel Warning Light
near the fuel gauge comes on
briefly when the ignition is
turned on as a check to show
it is working.
It also comes on when the fuel
gauge indicator nears empty.
The light turns off when fuel is
added. If it does not, have the
vehicle serviced.
Security Light

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
146 Instruments and Controls
When the remaining oil life is
low, the CHANGE ENGINE OIL
SOON message will appear on
the display. The oil should be
changed as soon as possible.
See Engine Oil0370. In
addition to the engine oil life
system monitoring the oil life,
additional maintenance is
recommended. See
Maintenance Schedule 0454.
The Oil Life display must be
reset after each oil change.
It will not reset itself. Do not
reset the Oil Life display
accidentally at any time other
than when the oil has just
been changed. It cannot be
reset accurately until the next
oil change. To reset, see
Engine Oil Life System 0373.
Tire Pressure : Shows the
approximate pressures of all
four tires. Tire pressure is
displayed in either
kilopascal (kPa) or in pounds
per square inch (psi). If the
pressure is low, the value for
that tire is shown in amber. See Tire Pressure Monitor
System
0411 and
Tire Pressure Monitor
Operation 0412.
Air Filter Life : Shows an
estimate of the engine air
filter’s remaining useful life
and the state of the system.
Engine Air Filter Life 95%
means 95% of the current air
filter life remains. Messages
will display based on the
engine air filter life and the
state of the system. When the
REPLACE AT NEXT OIL
CHANGE message displays,
the engine air filter should be
replaced at the time of the
next oil change. When the
REPLACE NOW message
displays, the engine air filter
should be replaced as soon as
possible.
The Air Filter Life display must
be reset after the engine air
filter replacement. To reset,
see Engine Air Filter Life
System 0374. Fuel Economy :
Displays
average fuel economy, the
best fuel economy over the
selected distance, and a bar
graph showing instantaneous
fuel economy.
If the vehicle is equipped with
an Active Fuel Management
indicator, the engine operating
mode may be shown in the
corner of this display.
Average Speed : Displays the
average vehicle speed of the
vehicle in kilometers per
hour (km/h) or miles per
hour (mph). This average is
based on the various vehicle
speeds recorded since the last
reset. Reset the average
speed by pressing the
thumbwheel while this display
is active to show a
confirmation window to select
yes or no.
Timer : This display can be
used as a timer. To start the
timer, press the thumbwheel
while this display is active. The
display will show the amount

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
Instruments and Controls 147
of time that has passed since
the timer was last reset. To
stop the timer, press the
thumbwheel briefly while this
display is active and the timer
is running.
Press the thumbwheel while
this display is active to reset
the timer.
Follow Distance/Gap
Setting :When Adaptive
Cruise Control (ACC) is not
engaged, the current follow
time to the vehicle ahead is
displayed as a time value on
this page. When ACC has been
engaged, the display switches
to the gap setting page. This
page shows the current gap
setting along with the vehicle
ahead indicator.
Driver Assistance :
If equipped, shows information
for Lane Keep Assist (LKA)
and Forward Collision
Alert (FCA).
Battery Voltage : Shows the
current battery voltage. Coolant Temperature :
Shows the engine coolant
temperature in either degrees
Celsius (°C) or degrees
Fahrenheit (°F).
Oil Temperature :
Shows the
engine oil temperature in
either degrees Celsius (°C) or
degrees Fahrenheit (°F).
Engine Boost : If equipped,
displays engine manifold
pressure relative to ambient
air pressure. It will display
boost pressure generated by
the turbocharging system.
Transmission Fluid
Temperature : Shows the
temperature of the automatic
transmission fluid in either
degrees Celsius (°C) or
degrees Fahrenheit (°F).
Off Road : Displays vehicle
pitch and roll information, road
wheel angle, and four-wheel
drive (4WD) status. Info Page Options :
Scroll to
choose which info pages
appear on the DIC. Press the
thumbwheel to select or
deselect.
Blank Page : Allows for no
information to be displayed in
the cluster info display areas.
Head-Up
Display (HUD)
{Warning
If the HUD image is too
bright or too high in your
field of view, it may take you
more time to see things you
need to see when it is dark
outside. Be sure to keep the
HUD image dim and placed
low in your field of view.
If equipped with HUD, some
information concerning the
operation of the vehicle is
projected onto the windshield.
The image is projected
through the HUD lens on top
of the instrument panel. The

Cadillac XT6 Owner Manual (GMNA-Localizing-U.S./Canada-16405819) -
2023 - CRC - 3/22/22
362 Vehicle Care
Vehicle Care
General Information
General Information . . . . . . 363
California PerchlorateMaterials
Requirements . . . . . . . . . . . . . 363
Accessories and Modifications . . . . . . . . . . . . . 363
Vehicle Checks
Doing Your OwnService Work . . . . . . . . . . . . . . 364
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 365
Engine Compartment Overview . . . . . . . . . . . . . . . . . . . 367
Engine Oil . . . . . . . . . . . . . . . . . . . . 370
Engine Oil Life System . . . 373
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Engine Air Filter Life System . . . . . . . . . . . . . . . . . . . . . . 374
Engine Air Cleaner/ Filter . . . . . . . . . . . . . . . . . . . . . . . . . 375
Cooling System . . . . . . . . . . . . 376
Engine Overheating . . . . . . . 381
Washer Fluid . . . . . . . . . . . . . . . . 382
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 383
Brake Fluid . . . . . . . . . . . . . . . . . . 384 Battery - North
America . . . . . . . . . . . . . . . . . . . . . 385
Park Brake and P (Park) Mechanism Check . . . . . . . 386
Wiper Blade
Replacement . . . . . . . . . . . . . . 386
Windshield Replacement . . . . . . . . . . . . . . 388
Gas Strut(s) . . . . . . . . . . . . . . . . . 388
Headlamp Aiming
Front Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . . 389
Bulb Replacement
LED Lighting . . . . . . . . . . . . . . . . 390
Electrical System
Electrical SystemOverload . . . . . . . . . . . . . . . . . . . 390
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . 391
Engine Compartment Fuse Block . . . . . . . . . . . . . . . . . 392
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . 396
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . 398
Wheels and Tires
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 400
All-Season Tires . . . . . . . . . . . . 401 Winter Tires . . . . . . . . . . . . . . . . 402
Tire Sidewall Labeling . . . 402
Tire Designations . . . . . . . . . 405
Tire Terminology and
Definitions . . . . . . . . . . . . . . . . . 405
Tire Pressure . . . . . . . . . . . . . . . 408
Tire Pressure for High-Speed
Operation . . . . . . . . . . . . . . . . . . . 410
Tire Pressure Monitor System . . . . . . . . . . . . . . . . . . . . . . . 411
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . . . . . 412
Tire Inspection . . . . . . . . . . . . . . 416
Tire Rotation . . . . . . . . . . . . . . . . 417
When It Is Time for New Tires . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Buying New Tires . . . . . . . . . . 419
Different Size Tires and Wheels . . . . . . . . . . . . . . . . . . . . . . 421
Uniform Tire Quality Grading . . . . . . . . . . . . . . . . . . . . . . 421
Wheel Alignment and Tire Balance . . . . . . . . . . . . . . . . . . . . . 423
Wheel Replacement . . . . . . 423
Tire Chains . . . . . . . . . . . . . . . . . . 424
If a Tire Goes Flat . . . . . . . . . 425
Tire Changing . . . . . . . . . . . . . . 426
Compact Spare Tire . . . . . . 433