2023 CADILLAC CT5 air filter

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/6/22
472 Service and Maintenance
may also be needed if you
notice reduced airflow,
windows fogging up,
or odors. Your local GM
Service location can help you
determine when it is the
right time to replace your
filter.
Every 72 000 km (45,000 mi)
.Change rear axle fluid,
if equipped with limited slip
differential. Do not directly
power wash the transfer
case and/or front/rear axle
output seals. High pressure
water can overcome the
seals and contaminate the
transfer case fluid.
Contaminated fluid will
decrease the life of the
transfer case and/or axles
and should be replaced.
Every 96 000 km (60,000 mi)
.Replace spark plugs. Inspect
spark plug wires and/or
boots. Every 156 000 km
(97,500 mi)
.Change transfer case fluid,
if equipped with AWD. Do
not directly power wash the
transfer case and/or front/
rear axle output seals. High
pressure water can
overcome the seals and
contaminate the transfer
case fluid. Contaminated
fluid will decrease the life of
the transfer case and/or
axles and should be
replaced.
Every 161 000 km
(100,000 mi)
.Replace hood and/or body
lift support gas struts. Or
every 10 years, whichever
comes first. See Gas Strut(s)
0 408. Every 240 000 km
(150,000 mi)
.Change rear axle fluid,
without limited slip
differential. Do not directly
power wash the transfer
case and/or front/rear axle
output seals. High pressure
water can overcome the
seals and contaminate the
transfer case fluid.
Contaminated fluid will
decrease the life of the
transfer case and/or axles
and should be replaced.
.Change front axle fluid,
if equipped with AWD. Do
not directly power wash the
transfer case and/or front/
rear axle output seals. High
pressure water can
overcome the seals and
contaminate the transfer
case fluid. Contaminated
fluid will decrease the life of
the transfer case and/or
axles and should be
replaced.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/6/22
Service and Maintenance 475
Diagnostics
.OnStar active, if equipped
.Service history/recall check
Engine Oil and Filter
.Engine oil
.Oil life monitor
‐Reset oil life monitor
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and
connections
Systems, Fluids, and
Visible Leak Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped
.Fuel system
.Windshield washer fluid
Tire Inspection
.Tire pressure, tread depth,
and wear
.Rotation, if applicable
.Alignment check, optional
.Reset tire pressure monitor
.Check tire sealant expiration
date, if equipped
.Check spare tire, if equipped
Brakes
.Check brake system
Visible and Functional
Inspections
.Seat belt components
.Exhaust system
.Accelerator pedal
.Passenger compartment air
filter, if equipped
.Engine air filter
.Hoses
.Belts
.Shocks and struts
.Steering components
.Axle boots or driveshaft and
u-joints
.Compartment lift struts,
if equipped
.Floor mats secured, no
interference with pedals
.Horn
.Ignition lock, if equipped
.Starter switch
.Evaporative control system
Lubricate
.Chassis components
Special Application
Services
.Severe Commercial Use
Vehicles Only: Lubricate
chassis components every
oil change.
.Have underbody flushing
service performed. See
"Underbody Maintenance" in
Exterior Care 0457.

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/6/22
Service and Maintenance 477
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from
your dealer.Part GM Part NumberACDelco
Part Number
Engine Air Cleaner/Filter
I2.0L L4 Engine 84498926 A3245C
I3.0L V6 Engine (Driver Side) 84335354 A3235C
I3.0L V6 Engine (Passenger Side) 84335354 A3235C
I6.2L V8 Engine 84578064 A3247C
Engine Oil Filter I2.0L L4 Engine 55495105 PF66
I3.0L V6 Engine 12707246 PF63
I6.2L V8 Engine 12706595 PF64
Passenger Compartment Air Filter IParticulate 84987523 CF185
IFine Dust Particulate 23195727 CF206

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/6/22
482 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. See
Recommended Fluids and Lubricants0476 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and
charge amount, see the refrigerant label under the hood. See your dealer for more information.
Brake Fluid 0.4 L0.4 qt
Engine Cooling System*
I2.0L L4 Engine 10.4 L
11.0 qt
I3.0L V6 Engine with Rear Wheel Drive 12.1 L
12.8 qt
I3.0L V6 Engine with All-Wheel Drive 12.3 L
13.0 qt
I3.0L V6 Engine Intercoolers (RWD) 3.1 L
3.3 qt
I3.0L V6 Engine Intercoolers (AWD) 3.0 L
3.2 qt
I6.2L V8 Engine 13.1 L
13.8 qt
Engine Oil with Filter I2.0L L4 Engine 5.0 L
5.3 qt
I3.0L V6 Engine (RWD) 5.7 L
6.0 qt
I3.0L V6 Engine (AWD) 6.2 L
6.5 qt
I6.2L V8 Engine 8.5 L
9.0 qt

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/11/22
INDEX 511
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . 374
Accessory Power . . . . . . . . . . . .273
Active Fuel Management . . . . . . . . . . 275
Rev Match . . . . . . . . . . . . . . . . . . . 286
Adaptive Cruise Control . . . . . . . . . . . . . . 305
Add-On Electrical
Equipment . . . . . . . . . . . . . . . . . . . .372
Additional OnStar Information . . . . . . . 503
Adjustments
Lumbar, Front Seats . . . . . . . 46
Thigh Support . . . . . . . . . . . . . . . . 45
Agreements Trademarks andLicense . . . . . . . . . . . . . . . . . . . . . 223
Air Cleaner/Filter, Engine . . . . 389
Conditioning . . . . . . . . . . . . . . . . 233
Filter Life System . . . . . . . . . 389
Filter, PassengerCompartment . . . . . . . . . . . . . 239
Vents . . . . . . . . . . . . . . . . . . . . . . . . . . 238
Airbag System . . . . . . . . . . . . . . . . . 65 Check . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 Airbag System (cont'd)
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 70
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . . . 72
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 70
What Will You See after an Airbag Inflates? . . . . . . . . . 71
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 69
Where Are the
Airbags? . . . . . . . . . . . . . . . . . . . . . . 67
Airbags Adding Equipment tothe Vehicle . . . . . . . . . . . . . . . . . . . 77
Passenger Status Indicator . . . . . . . . . . . . . . . . . . . . . 124
Readiness Light . . . . . . . . . . . . . 123
Replacing System Parts after a Crash . . . . . . . 78
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . 77
Alarm Vehicle Security . . . . . . . . . . . . . 28
Alert Lane Change . . . . . . . . . . . . . . . 353

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/11/22
INDEX 515
E
ElectricBrake Boost . . . . . . . . . . . . . . . . . . 287
Parking Brake . . . . . . . . . . . . . . 288
Parking Brake Light . . . . . . . 128
Electrical Equipment, Add-On . . . . . . . . 372
System Overload . . . . . . . . . . 409
Electrical System Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . . . 412
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . . 411
Instrument Panel Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . 416
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . 502
Engine Air Cleaner/Filter . . . . . . . . . . 389
Air Filter Life System . . . . . 389
Check Light(Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 125
Compartment Overview . . . . . . . . . . . . . . . . . . . 378 Engine (cont'd)
Coolant
Temperature
Gauge . . . . . . . . . . . . . . . . . . 121, 122
Coolant Temperature Warning Light . . . . . . . . . . . . . . 131
Cooling System . . . . . . . . . . . . 392
Drive Belt Routing . . . . . . . . . 484
Exhaust . . . . . . . . . . . . . . . . . . . . . . . 276
Heater . . . . . . . . . . . . . . . . . . . . . . . . . 272
Oil Life System . . . . . . . . . . . . . 386
Oil Pressure Light . . . . . . . . . . 134
Overheating . . . . . . . . . . . . . . . . . 398
Power Messages . . . . . . . . . . . 148
Running While Parked . . . . 276
Starting . . . . . . . . . . . . . . . . . . . . . . 269
Entry Lighting . . . . . . . . . . . . . . . . . 158
Equipment, Towing . . . . . . . . . . 371
Event Data Recorders . . . . . 499
Exit Lighting . . . . . . . . . . . . . . . . . . . 158
Extended Parking . . . . . . . . . . . .275
Extender, Seat Belt . . . . . . . . . . . 64
Exterior Lamp Controls . . . . . . . . . . . . . . 152
Lamps Off Reminder . . . . . . 154
Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . 160
F
FilterEngine Air Cleaner . . . . . . . . 389
Flash-to-Pass . . . . . . . . . . . . . . . . . . 154
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . 156
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 443
Floor Mats . . . . . . . . . . . . . . . . . . . . . 467
Fluid Automatic
Transmission . . . . . . . . . . . . . . 388
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 404
Washer . . . . . . . . . . . . . . . . . . . . . . . 399
Folding Mirrors . . . . . . . . . . . . . . . . . 33
Forward
Collision Alert (FCA)System . . . . . . . . . . . . . . . . . . . . . . 346
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . 496
Front Heated and VentilatedSeats . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Pedestrian Braking (FPB) System . . . . . . . . . . . . . . 351
Fuel Additives . . . . . . . . . . . . . . . . . . . . . 362
Economy, Driving forBetter . . . . . . . . . . . . . . . . . . . . . . . . 241

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/11/22
INDEX 519
MirrorsAutomatic Dimming . . . . . . . . . 34
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . . 35
Convex . . . . . . . . . . . . . . . . . . . . . . . . . 32
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Interior Rearview . . . . . . . . . . . . 35
Manual Rearview . . . . . . . . . . . . 35
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Rear Camera . . . . . . . . . . . . . . . . . . 35
Tilt in Reverse . . . . . . . . . . . . . . . . 35
Mode Driver Control . . . . . . . . . . . . . . 293
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . . 430
Multi-band Antenna . . . . . . . . . . 174
Multi-Point Vehicle Inspection (MPVI) . . . . . . . . . . 474
N
NavigationConnected Services . . . . . . 508
Destination . . . . . . . . . . . . . . . . . . . 184
Symbols . . . . . . . . . . . . . . . . . . . . . . . 183
Using the System . . . . . . . . . . 178 New Vehicle Break-In . . . . . . 265
Noise
Reducing Tires . . . . . . . . . . . . . . 421
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . .119Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 245
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 383
Engine Oil LifeSystem . . . . . . . . . . . . . . . . . . . . . . 386
Pressure Light . . . . . . . . . . . . . . 134
Older Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 79
Online Account . . . . . . . . . . . . . . . 488
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . 500
Additional Information . . . 503
Overview . . . . . . . . . . . . . . . . . . . . . . 501
OnStar Emergency . . . . . . . . . 502
OnStar Security . . . . . . . . . . . . . 503
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Overheating, Engine . . . . . . . . 398
Overview . . . . . . . . . . . . . . . . . . . . . . . . 162 Instrument Panel . . . . . . . . . . . . . . 5
P
ParkAssist . . . . . . . . . . . . . . . . . . 336, 338
Shifting Into . . . . . . . . . . . . . . . . . . 273
Shifting Out of . . . . . . . . . . . . . . 274
Parking . . . . . . . . . . . . . . . . . . . . . . . . . .275 Brake and P (Park)Mechanism Check . . . . . . . 406
Extended . . . . . . . . . . . . . . . . . . . . . 275
Over Things That Burn . . . . . . . . . . . . . . . . . . . 275
Parking Assist Automatic . . . . . . . . . . . . . . . . . . . . . 341
Parking or Backing
Assistance Systems . . . . . . 336
Passenger Airbag StatusIndicator . . . . . . . . . . . . . . . . . . . . . 124
Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . 239
Sensing System . . . . . . . . . . . . . . 72
Pedestrian Ahead Indicator . . . . . . . . . . . . . . . . . . . . . . . 130
Perchlorate Materials
Requirements,
California . . . . . . . . . . . . . . . . . . . . . 374
Performance Data Recorder (PDR) . . . . . 200

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/11/22
522 INDEX
Service (cont'd)Parts Identification . . . . . . . . 481
Scheduling
Appointments . . . . . . . . . . . . . 492
Services Special Application . . . . . . . . 475
Servicing System . . . . . . . . . . . . . 192
Servicing the Airbag . . . . . . . . . . 77
Settings . . . . . . . . . . . . . . . . . . . . . . . . . 215
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . . 273
Out of Park . . . . . . . . . . . . . . . . . . . 274
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . . . 353
Signals, Turn and Lane-Change . . . . . . . . . . . . . . . . 156
Software Updates . . . . . . . . . . . 168
Special Application Services . . . . . . . . . . . . . . . . . . . . . . 475
Specifications and Capacities . . . . . . . . . . . . . . . . . . . . 482
Speedometer . . . . . . . . . . . . . . . . . . .119
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . 131
Start Assist, Hill . . . . . . . . . . . . . . 289
Start Vehicle, Remote . . . . . . . . 16
Starting the Engine . . . . . . . . . 269
Steering . . . . . . . . . . . . . . . . . . . . . . . . 244 Steering (cont'd)
Column Lock . . . . . . . . . . . . . . . . . . . 31
Heated Wheel . . . . . . . . . . . . . . . 105
Wheel Adjustment . . . . . . . . . 104
Wheel Controls . . . . . . . . . . . . . 165
Stop/Start System . . . . . . . . . . 270
Storage Center Console . . . . . . . . . . . . . 101
Compartments . . . . . . . . . . . . . . 100
Cupholders . . . . . . . . . . . . . . . . . . . 100
Glove Box . . . . . . . . . . . . . . . . . . . . . 100
Umbrella . . . . . . . . . . . . . . . . . . . . . . 101
Storing the Tire Sealant and Compressor Kit . . . . . . . . 451
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408
Stuck Vehicle . . . . . . . . . . . . . . . . . . 261
Summer Tires . . . . . . . . . . . . . . . . 422
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . 40
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Super Cruise . . . . . . . . . . . . . . . . . . . 317
Surround Video Recorder . . . . . . . . . . . . . . . . . . . . . 358
Surround Vision System . . . . . . . . . . . . . . . . . . . . . . . . 337
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Navigation . . . . . . . . . . . . . . . . . . . . 183 System
Airbag . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Brake Pad Life . . . . . . . . . . . . . 403
Driver Assistance . . . . . . . . . 334
Engine Air Filter Life . . . . . . 389
Forward CollisionAlert (FCA) . . . . . . . . . . . . . . . . . 346
Global Positioning . . . . . . . . . . 191
Infotainment . . . . . . . . . . . . . . . . 500
Rear Cross Traffic Alert . . . . . . . . . . . . . . . . . . . . . . . . . 346
Surround Vision . . . . . . . . . . . . 337
T
Tachometer . . . . . . . . . . . . . . . . . . . . 120
Teen Driver . . . . . . . . . . . . . . . . . . . . . 219
Text Telephone (TTY) Users . . . . . . . . . . . . . . . . . . . . . . . . . . 488
Theft-Deterrent Systems . . . . 31 Immobilizer . . . . . . . . . . . . . . . . . . . . . 31
Thigh Support
Adjustment . . . . . . . . . . . . . . . . . . . . 45
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418 All-Season . . . . . . . . . . . . . . . . . . . . 419
Buying New Tires . . . . . . . . . . 437
Chains . . . . . . . . . . . . . . . . . . . . . . . . 442
Designations . . . . . . . . . . . . . . . . 423