2022 CADILLAC CT5 air filter

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
334 VEHICLE CARE
1. Windshield Washer Fluid Reservoir.See Washer Fluid 0348.
2. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
0 343.
3. Engine Oil Dipstick. See Engine Oil
0 336.
4. Engine Air Cleaner/Filter 0341.
5. Engine Cooling Fan (Out of View). See Cooling System 0343.
6. Engine Oil Fill Cap. See Engine Oil
0 336.
7. Remote Positive (+) Battery Terminal. See Jump Starting - North
America 0394.
8. Brake Fluid Reservoir. See Brake
Fluid 0352.
9. Remote Negative (-) Battery Terminal. See Jump Starting - North
America 0394.
10. Engine Compartment Fuse Block
0360.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
VEHICLE CARE 335
6.2L V8 Engine
1. Windshield Washer Fluid Reservoir. See Washer Fluid 0348.
2. Engine Coolant Surge Tank and Pressure Cap. See Cooling System
0 343.
3. Engine Air Cleaner/Filter 0341. 4. Engine Oil Dipstick. See
Engine Oil
0 336.
5. Engine Cooling Fan (Out of View). See Cooling System 0343.
6. Engine Oil Fill Cap. See Engine Oil
0 336. 7. Remote Positive (+) Battery
Terminal. See Jump Starting - North
America 0394.
8. Brake/Clutch Fluid Reservoir. See Brake Fluid 0352.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
VEHICLE CARE 339
2. Press and hold the thumbwheel onthe steering wheel. When the
confirmation message displays,
select YES. The oil life will change
to 100%.
Be careful not to reset the oil life
display accidentally at any time
other than after the oil is changed.
It cannot be reset accurately until
the next oil change.
The oil life system can also be reset as
follows: 1. Using the DIC buttons, display REMAINING OIL LIFE on the DIC.
See Driver Information Center (DIC)
(Base Level) 0116 or
Driver Information Center (DIC)
(Uplevel) 0119.
2. Fully press and release the accelerator pedal three times
within five seconds.
If the CHANGE ENGINE OIL SOON
message is not on, the system is
reset.
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
How to Check Automatic
Transmission Fluid
It is not necessary to check the
transmission fluid level.
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.
The vehicle is not equipped with a
transmission fluid level dipstick.
There is a special procedure for
checking and changing the
transmission fluid. Because this
procedure is difficult, this should be
done at the dealer. Contact your dealer
for additional information.
Caution
Use of the incorrect automatic
transmission fluid may damage the
vehicle, and the damage may not be
covered by the vehicle warranty.
Always use the correct automatic
transmission fluid. See
Recommended Fluids and Lubricants
0
420.
Change the fluid and filter at the
intervals listed in Maintenance
Schedule 0410, and be sure to use the
fluid listed in Recommended Fluids and
Lubricants 0420.
Manual Transmission Fluid
It is not necessary to check the
manual transmission fluid level.
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.
See Recommended Fluids and
Lubricants 0420 for the proper fluid
to use.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
340 VEHICLE CARE
Hydraulic Clutch
For vehicles with a manual
transmission, it is not necessary to
regularly check brake/clutch fluid
unless there is a leak suspected.
Adding fluid will not correct a leak.
A fluid loss in this system could
indicate a problem. Have the system
inspected and repaired.
When to Check and What to Use
The brake/hydraulic clutch fluid
reservoir cap has this symbol on it.
SeeEngine Compartment Overview
0 331 for reservoir location. The
common hydraulic clutch and brake
master cylinder fluid reservoir is filled
with brake fluid as indicated on the
reservoir cap. See Brake Fluid0352 for
brake fluid to use.
How to Check and Add Fluid
Visually check the brake/clutch fluid
reservoir to make sure the fluid level
is at the MIN (minimum) line on the
side of the reservoir. The brake/
hydraulic clutch fluid system should
be closed and sealed.
Do not remove the cap to check the
fluid level or to top-off the fluid level.
Remove the cap only when necessary
to add the proper fluid until the level
reaches the MIN line.
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 the 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 the 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) (Base Level) 0116 or
Driver Information Center (DIC)
(Uplevel) 0119.
3. Press
Ton the steering wheel,
or press the trip odometer reset
stem if the vehicle does not have
DIC controls, to move to the Reset/
Disable display area. Select Reset,
then press the thumbwheel or
press the reset stem for several
seconds.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
VEHICLE CARE 341
4. Press the thumbwheel or the resetstem to confirm the reset.
Engine Air Cleaner/Filter
The engine air cleaner/filter is in the
engine compartment on the passenger
side of the vehicle for the 2.0L L4 and
6.2L V8 engines, and in the center of
the engine compartment for the 3.0L
V6 engine. 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 0410.
.If equipped with Engine Air Filter
Life System, see Engine Air Filter Life
System 0340.
.If driving in very dusty areas, follow
the engine air filter inspecting and
changing intervals, see Maintenance
Schedule 0410.
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. Do not
clean the engine air cleaner/filter or
components with water or
compressed air.
To inspect or replace the air cleaner/
filter:
2.0L L4 Engine 1. Remove the five screws on top of
the air cleaner/filter cover.
2. Lift the air/cleaner/filter cover away from the air cleaner/filter housing.
3. Pull out the air cleaner/filter.
{Warning
If part replacement is necessary,
the part must be replaced with one
of the same part number or with an
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 air cleaner/ filter.
5. Reverse Steps 1–3 to reinstall the air cleaner/filter cover.
6. If equipped, reset the engine air filter life system after replacing the
engine air filter. See Engine Air
Filter Life System 0340.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
342 VEHICLE CARE
3.0L V6 Engine
1. Air Duct Clamps
2. Electrical Connectors
3. Screws
1. Disconnect the harness connectorsfrom the air cleaner/filter cover
electrical connectors (2).
2. Loosen the screws on the air duct clamps (1) holding the air outlet
ducts in place. Do not remove
clamps. Move the ducts aside.
3. Remove the 13 screws (3) on top of the engine air cleaner/filter cover
to gain access to both air cleaner/
filters. 4. Lift the engine air cleaner/filter
cover.
5. Lift and remove one or both engine air cleaner/filters.
6. Inspect or replace one or both engine air cleaner/filters.
7. Reverse Steps 1–4 to reinstall the engine air cleaner/filter cover.
8. If equipped, reset the engine air filter life system after replacing the
engine air filter. See Engine Air
Filter Life System 0340.
6.2L V8 Engine
1. Remove the six screws on top of the air cleaner/filter cover. 2. Lift the air/cleaner/filter cover away
from the air cleaner/filter housing.
3. Pull out the air cleaner/filter.
4. Inspect or replace the air cleaner/ filter.
5. Reverse Steps 1–3 to reinstall the air cleaner/filter cover.
6. If equipped, reset the engine air filter life system after replacing the
engine air filter. See Engine Air
Filter Life System 0340.
{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 the
vehicle with the air cleaner/filter
off, as flames may be present if the
engine backfires.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
VEHICLE CARE 343
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.
2.0L L4 Engine
1. Engine Coolant Surge Tank andPressure Cap
2. Engine Cooling Fan (Out of View)
3.0L V6 Engine
1. Engine Coolant Surge Tank and Pressure Cap
2. Engine Cooling Fan (Out of View)
6.2L V8 Engine
1. Engine Coolant Surge Tank and Pressure Cap
2. Engine Cooling Fan (Out of View)
{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.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
SERVICE AND MAINTENANCE 411
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km (600 mi). If driven
under the best conditions, the engine
oil life system may not indicate the
need for vehicle service for up to a
year. The engine oil and filter must be
changed at least once a year and the
oil life system must be reset. Your
trained dealer technician can perform
this work. If the engine oil life system
is reset accidentally, service the
vehicle within 5 000 km (3,000 mi)
since the last service. Reset the oil life
system when the oil is changed. See
Engine Oil Life System0338.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years. This
service requires replacement of the
desiccant to help the longevity and
efficient operation of the air
conditioning system. This service can
be complex. See your dealer.
Tire Rotation and Required
Services Every 12 000 km
(7,500 mi)
Rotate the tires, if recommended for
the vehicle, and perform the following
services. See Tire Rotation0380.
.Check engine oil level and oil
life percentage. If needed, change
engine oil and filter, and reset oil
life system. See Engine Oil0336 and
Engine Oil Life System 0338.
.If equipped, check the air filter
life percentage. If necessary, replace
the engine air filter and reset the
engine air filter life system. See
Engine Air Filter Life System 0340.
If the vehicle is not equipped with
the engine air filter life system,
inspect the engine air cleaner filter.
See Engine Air Cleaner/Filter 0341.
.Check engine coolant level. See
Cooling System 0343.
.Check windshield washer fluid level.
See Washer Fluid 0348.
.Check tire inflation pressures. See
Tire Pressure 0374.
.Inspect tire wear. See Tire Inspection
0 380.
.Visually check for fluid leaks.
.Inspect brake system. See Exterior
Care 0399.
.Visually inspect steering,
suspension, and chassis
components for damage, including
cracks or tears in the rubber boots,
loose or missing parts, or signs of
wear at least once a year. See
Exterior Care 0399.
.Inspect power steering for proper
attachment, connections, binding,
leaks, cracks, chafing, etc.