CADILLAC XT4 2023 Owners Manual

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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330 Vehicle Care
To close the hood:1. Before closing the hood, be sure all filler caps are on
properly, and all tools are
removed.
2. Pull the hood down until the strut system is no
longer holding up the hood.
3. Allow the hood to fall. Check to make sure the
hood is latched completely.
Repeat this process with
additional force if
necessary.{Warning
Do not drive the vehicle if
the hood is not latched
completely. The hood could
open fully, block your vision,
and cause a crash. You or
others could be injured.
Always close the hood
completely before driving.

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Vehicle Care 331
Engine Compartment Overview

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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332 Vehicle Care
1. Engine Air Cleaner/Filter0337.
2. Engine Oil Fill Cap. See Engine Oil 0332.
3. Engine Oil Dipstick. See Engine Oil 0332.
4. Engine Cooling Fan (Out of View). See Cooling System
0338.
5. Brake Fluid Reservoir. See Brake Fluid 0345.
6. Battery - North America 0346.
7. Engine Coolant Surge Tank and Pressure Cap. See
Cooling System 0338.
8. Positive (+) Battery Terminal (Under Cover).
See Jump Starting - North
America 0404.
9. Windshield Washer Fluid Reservoir. See Washer
Fluid 0343.
10. Engine Compartment Fuse Block 0354. 11. Remote Negative (-)
Battery Terminal. See
Jump Starting - North
America 0404.
Engine Oil
To ensure proper engine
performance and long life,
careful attention must be paid
to engine oil. Following these
simple, but important steps
will help protect your
investment:
.Use engine oil approved to
the proper specification and
of the proper viscosity
grade. See “Selecting the
Right Engine Oil” in this
section.
.Check the engine oil level
regularly and maintain the
proper oil level. See
“Checking Engine Oil” and
“When to Add Engine Oil” in
this section.
.Change the engine oil at the
appropriate time. See Engine
Oil Life System 0335.
.Always dispose of engine oil
properly. See “What to Do
with Used Oil” in this section.
Checking Engine Oil
Check the engine oil level
regularly, every 650 km
(400 mi), especially prior to a
long trip. The engine oil
dipstick handle is a loop. See
Engine Compartment
Overview0331 for the
location.
{Warning
The engine oil dipstick
handle may be hot; it could
burn you. Use a towel or
glove to touch the dipstick
handle.
If a low oil Driver Information
Center (DIC) message displays,
check the oil level.
Follow these guidelines:
.To get an accurate reading,
park the vehicle on level
ground. Check the engine oil
level after the engine has

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Vehicle Care 333
been off for at least two
hours. Checking the engine
oil level on steep grades or
too soon after engine
shutoff can result in
incorrect readings. Accuracy
improves when checking a
cold engine prior to starting.
Remove the dipstick and
check the level.
.If unable to wait two hours,
the engine must be off for at
least 15 minutes if the
engine is warm, or at least
30 minutes if the engine is
not warm. Pull out the
dipstick, wipe it with a clean
paper towel or cloth, then
push it back in all the way.
Remove it again, keeping the
tip down, and check the
level.
When to Add Engine Oil
If the oil is below the
cross-hatched area at the tip
of the dipstick and the engine
has been off for at least
15 minutes, add 1 L (1 qt) of the
recommended oil and then
recheck the level. See
“Selecting the Right Engine
Oil”later in this section for an
explanation of what kind of oil
to use. For engine oil
crankcase capacity, see
Capacities and Specifications
0 433.
Caution
Do not add too much oil. Oil
levels above or below the
acceptable operating range
shown on the dipstick are
(Continued)
Caution (Continued)
harmful to the engine. If the
oil level is above the
operating range (i.e., the
engine has so much oil that
the oil level gets above the
cross-hatched area that
shows the proper operating
range), the engine could be
damaged. Drain the excess
oil or limit driving of the
vehicle, and seek a service
professional to remove the
excess oil.
See Engine Compartment
Overview 0331 for the
location of the engine oil
fill cap.
Add enough oil to put the level
somewhere in the proper
operating range. Push the
dipstick all the way back in
when through.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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334 Vehicle Care
Selecting the Right
Engine Oil
Selecting the right engine oil
depends on both the proper
oil specification and viscosity
grade. See Recommended
Fluids and Lubricants0429.
Specification
Use full synthetic engine oils
that meet the dexos1
specification.
Engine oils that have been
approved by GM as meeting
the dexos1 specification are
marked with the dexos1
approved logo. See
www.gmdexos.com.
Caution
Failure to use the
recommended engine oil or
equivalent can result in
engine damage not covered
by the vehicle warranty.
Viscosity Grade
Use SAE 0W-20 viscosity
grade engine oil.
When selecting an oil of the
appropriate viscosity grade, it
is recommended to select an
oil of the correct specification.
See “Specification” earlier in
this section.
Engine Oil Additives/
Engine Oil Flushes
Do not add anything to the oil.
The recommended oils
meeting the dexos1
specification are all that is
needed for good performance
and engine protection. Engine oil system flushes are
not recommended and could
cause engine damage not
covered by the vehicle
warranty.
What to Do with Used Oil
Used engine oil contains
certain elements that can be
unhealthy for your skin and
could even cause cancer. Do
not let used oil stay on your
skin for very long. Clean your
skin and nails with soap and
water, or a good hand cleaner.
Wash or properly dispose of
clothing or rags containing
used engine oil. See the
manufacturer's warnings
about the use and disposal of
oil products.
Used oil can be a threat to the
environment. If you change
your own oil, be sure to drain
all the oil from the filter before
disposal. Never dispose of oil
by putting it in the trash or
pouring it on the ground, into
sewers, or into streams or

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Vehicle Care 335
bodies of water. Recycle it by
taking it to a place that
collects used oil.
Engine Oil Life
System
When to Change
Engine Oil
This vehicle has a computer
system that indicates when to
change the engine oil and
filter. This is based on a
combination of factors which
include engine revolutions,
engine temperature, and miles
driven. Based on driving
conditions, the mileage at
which an oil change is
indicated can vary
considerably. For the oil life
system to work properly, the
system must be reset every
time the oil is changed.
When the system has
calculated that oil life has been
diminished, it indicates that an
oil change is necessary.
A CHANGE ENGINE OILSOON message comes on.
Change the oil as soon as
possible within the next
1 000 km (600 mi). It is
possible that, if driving under
the best conditions, the oil life
system may indicate that an oil
change is not necessary for up
to a year. The engine oil and
filter must be changed at least
once a year and at this time
the system must be reset.
Your dealer has trained
service people who will
perform this work and reset
the system. It is also important
to check the oil regularly over
the course of an oil drain
interval and keep it at the
proper level.
If the system is ever reset
accidentally, the oil must be
changed at 5 000 km
(3,000 mi) since the last oil
change. Remember to reset
the oil life system whenever
the oil is changed.
How to Reset the Engine
Oil Life System
Reset the system whenever
the engine oil is changed so
that the system can calculate
the next engine oil change. To
reset the system:
1. Using the DIC controls on the right side of the
steering wheel, display
REMAINING OIL LIFE on
the DIC. See Driver
Information Center (DIC)
0136. When remaining oil
life is low, the CHANGE
ENGINE OIL SOON
message will appear on the
display.
2. Press
Von the DIC
controls and hold down for
a few seconds to clear the
CHANGE ENGINE OIL
SOON message and reset
the oil life at 100%.
Be careful not to reset the
oil life display accidentally
at any time other than
after the oil is changed.

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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336 Vehicle Care
It cannot be reset
accurately until the next oil
change.
The system is reset when the
CHANGE ENGINE OIL SOON
message is off.
If the CHANGE ENGINE OIL
SOON message comes back
on when the vehicle is started,
the engine oil life system has
not been reset. Repeat the
procedure.
Automatic
Transmission Fluid
A transmission fluid leak is the
only reason for fluid loss. If a
leak occurs, take the vehicle to
your dealer and have it
repaired as soon as possible.
Caution
Use of the incorrect
automatic transmission fluid
may damage the vehicle, and
the damage may not be
covered by the vehicle (Continued)
Caution (Continued)
warranty. Always use the
correct automatic
transmission fluid. See
Recommended Fluids and
Lubricants0429.
See your dealer to have the
fluid and filter changed at the
intervals listed in the
Maintenance Schedule 0425.
Engine Air Filter Life
System
If equipped, this feature
provides the engine air filter's
remaining life and best timing
for a change. The timing to
change an engine air filter
depends on driving and
environmental conditions.
When to Change Engine
Air Filter
When the Driver Information
Center (DIC) displays a
message to replace the engine
air filter at the next oil change,
follow this timing.
When the DIC displays a
message to replace the engine
air filter soon, replace the
engine air filter at the earliest
convenience. The system must
be reset after the engine air
filter is changed.
If the DIC displays a message
to check the engine air filter
system, see your dealer.
How to Reset Engine Air
Filter Life System
To reset:
1. Place the vehicle in P (Park).
2. Display the Air Filter Life on the DIC. See Driver
Information Center (DIC)
0136.

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Vehicle Care 337
3. PressTon the steering
wheel to move to the
Reset/Disable display area.
Select Reset then press
V.
4. Press
Vto confirm to
reset.
Engine Air Cleaner/
Filter
The engine air cleaner/filter is
in the engine compartment on
the passenger side of the
vehicle. See Engine
Compartment Overview 0331.
When to Inspect the
Engine Air Cleaner/Filter
.For intervals on changing
and inspecting the engine air
filter, see Maintenance
Schedule 0425.
.If equipped with Engine Air
Filter Life System, see
Engine Air Filter Life System
0336.
.If driving in very dusty areas,
follow the engine air filter
inspecting and changing
intervals, see Maintenance
Schedule 0425.
How to Inspect/Replace
the Engine Air Cleaner/
Filter
Do not start the engine or
have the engine running with
the engine air cleaner/filter
housing open. Before
removing the engine air
cleaner/filter, make sure that
the engine air cleaner/filter
housing and nearby
components are free of dirt
and debris. Remove the engine
air cleaner/filter. Lightly tap
and shake the engine air
cleaner/filter (away from the
vehicle), to release dust and
dirt. Inspect the engine air
cleaner/filter for damage, and
replace if damaged. Do not
clean the engine air cleaner/
filter or components with
water or compressed air. To inspect or replace the
engine air cleaner/filter:
1. Remove the six screws on
top of the engine air
cleaner/filter housing.
2. Lift the air cleaner/filter cover housing away from
the engine.
3. Pull out the filter.
{Warning
If part replacement is
necessary, the part must be
replaced with one of the
same part number or with an (Continued)

Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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338 Vehicle Care
Warning (Continued)
equivalent part. Use of a
replacement part without
the same fit, form, and
function may result in
personal injury or damage to
the vehicle.
4. Inspect or replace the engine air cleaner/filter.
5. Reverse Steps 1–3 to reinstall the filter cover
housing.
6. If equipped, reset the engine air filter life system
after replacing the engine
air filter. See Engine Air
Filter Life System 0336.
{Warning
Operating the engine with
the air cleaner/filter off can
cause you or others to be
burned. Use caution when
working on the engine. Do
not start the engine or drive
(Continued)
Warning (Continued)
the vehicle with the air
cleaner/filter off, as flames
may be present if the engine
backfires.
Caution
If the air cleaner/filter is off,
dirt can easily get into the
engine, which could damage
it. Always have the air
cleaner/filter in place when
driving.
Cooling System
The cooling system allows the
engine to maintain the correct
working temperature.
1. Electric Engine CoolingFan (Out of View)
2. Coolant Surge Tank and Pressure Cap
{Warning
An underhood electric fan
can start up even when the
engine is not running and
can cause injury. Keep
hands, clothing, and tools
away from any underhood
electric fan.

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Vehicle Care 339
{Warning
Do not touch heater or
radiator hoses, or other
engine parts. They can be
very hot and can burn you.
Do not run the engine if
there is a leak; all coolant
could leak out. That could
cause an engine fire and can
burn you. Fix any leak before
driving the vehicle.
Engine Coolant
The engine cooling system in
the vehicle is filled with
DEX-COOL engine coolant
mixture. This coolant needs to
be checked and changed at
appropriate levels. See
Recommended Fluids and
Lubricants0429 and
Maintenance Schedule 0425.
The following explains the
cooling system and how to
check and add coolant when it
is low. If there is a problem
with engine overheating, see
Engine Overheating 0342.
What to Use
{Warning
Do not touch heater or
radiator hoses, or other
engine parts. They can be
very hot and can burn you.
Do not run the engine if
there is a leak; all coolant
could leak out. That could
cause an engine fire and can
burn you. Fix any leak before
driving the vehicle.
Use a 50/50 mixture of clean,
drinkable water and
DEX-COOL coolant. This
mixture:
.Gives freezing protection
down to −37 °C (−34 °F),
outside temperature.
.Gives boiling protection up
to 129 °C (265 °F), engine
temperature.
.Protects against rust and
corrosion.
.Will not damage aluminum
parts.
.Helps keep the proper
engine temperature.
Caution
Do not use anything other
than a mix of DEX-COOL
coolant that meets GM
Standard GMW3420 and
clean, drinkable water.
Anything else can cause
damage to the engine
cooling system and the
vehicle, which would not be
covered by the vehicle
warranty.
Never dispose of engine
coolant by putting it in the
trash, pouring it on the
ground, or pouring into
sewers, streams, or bodies of
water. Have the coolant
changed by an authorized
service center, familiar with
legal requirements regarding
used coolant disposal. This will
help protect the environment
and your health.