Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
SERVICE AND MAINTENANCE 413
Maintenance Schedule
Additional Required Services -
Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires, if recommended for the vehicle, and
perform Required Services. (1) Check engine oil level
and oil life percentage. Change engine oil and filter,
if needed.
If equipped, check engine air filter life percentage
and status. Change engine air filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (2)@ @@@@@
If the vehicle is not equipped with the engine air
filter life system, replace engine air cleaner filter. (3)@ @@
Replace spark plugs. Inspect spark plug wires and/or
boots.@ @
Change transfer case fluid, if equipped with
AWD. (4)@
Change rear axle fluid, if equipped with limited slip
differential. (4)@@@
Change rear axle fluid, without limited slip
differential. (4)@
Change front axle fluid, if equipped with AWD. (4)@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts. (9)@ @
Replace air conditioning desiccant. (10)
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
414 SERVICE AND MAINTENANCE
Footnotes—Maintenance Schedule
Additional Required Services -
Normal
(1) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation0380.
(2) Or every two years, whichever
comes first. More frequent passenger
compartment air filter replacement
may be needed if driving in areas with
heavy traffic, poor air quality, high
dust levels, or environmental
allergens. Passenger compartment air
filter replacement may also be needed
if there is reduced airf low, window
fogging, or odors. Your GM dealer can
help determine when to replace the
filter. (3)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
See Engine Air Cleaner/Filter 0341.
(4) 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.
(5) Or every five years, whichever
comes first. See Cooling System0343. (6)
Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage; replace,
if needed.
(7) Replace brake fluid every five
years. See Brake Fluid 0352.
(8) Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0355.
(9) Or every 10 years, whichever
comes first. See Gas Strut(s)0356.
(10) Replace air conditioning
desiccant every seven years.
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
SERVICE AND MAINTENANCE 415
Maintenance Schedule
Additional Required Services -
Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires, if recommended for the vehicle, and
perform Required Services. (1) Check engine oil level
and oil life percentage. Change engine oil and filter,
if needed.
If equipped, check engine air filter life percentage
and status. Change engine air filter, if needed.
@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (2)@ @@@@@
If the vehicle is not equipped with the engine air
filter life system, replace engine air cleaner filter. (3)@ @@
Replace spark plugs. Inspect spark plug wires and/or
boots.@ @
Change automatic transmission fluid and filter. (10
Speed Transmission)@@@
Change automatic transmission fluid. (6 Speed
Transmission)@@@
Change manual transmission fluid. (If equipped)@@@
Change transfer case fluid, if equipped with
AWD. (4)@@@
Change rear axle fluid, if equipped with limited slip
differential. (4)@@@
Change rear axle fluid, without limited slip
differential. (4)@ @
Change front axle fluid, if equipped with AWD. (4)@@@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
416 SERVICE AND MAINTENANCE
Maintenance Schedule
Additional Required Services -
Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi
180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Replace brake fluid. (7)
Replace windshield wiper blades. (8)
@ @ @ @ @ @ @ @ @ @
Replace hood and/or body lift support gas struts. (9)@ @
Replace air conditioning desiccant. (10)
Footnotes—Maintenance Schedule
Additional Required Services -
Severe
(1) Vehicles with different size front
and rear tires do not have tire
rotation. See Tire Rotation0380.
(2) Or every two years, whichever
comes first. More frequent passenger
compartment air filter replacement
may be needed if driving in areas with
heavy traffic, poor air quality, high dust levels, or environmental
allergens. Passenger compartment air
filter replacement may also be needed
if there is reduced airf low, window
fogging, or odors. Your GM dealer can
help determine when to replace the
filter.
(3)
Or every four years, whichever
comes first. If driving in dusty
conditions, inspect the filter at each
oil change or more often as needed.
See Engine Air Cleaner/Filter 0341. (4)
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.
(5) Or every five years, whichever
comes first. See Cooling System0343.
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
SERVICE AND MAINTENANCE 421
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can be obtained from your dealer.Part GM Part Number ACDelco 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 12696048 PF64
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
422 SERVICE AND MAINTENANCE
PartGM Part Number ACDelco Part Number
Passenger Compartment Air Filter
IAllergen 84987523
CF185
ICarbon 23195727
CF184
Spark Plugs I2.0L L4 Engine 55504354
41-103-IP
I3.0L V6 Engine 12650283
41-131
I6.2L V8 Engine 12642722
41-128
Wiper Blades IDriver Side –60 cm (23.62 in) 84566977
—
IPassenger Side –45 cm (17.72 in) 84574892
—
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
INDEX 453
IndexA
Accessories and Modifications . . . . . 328
Accessory Power . . . . . . . . . . . . . . . . . . . . 243
Active Fuel Management . . . . . . . . . . . 244
Active Rev Match . . . . . . . . . . . . . . . . . . . 253
Adaptive Cruise Control . . . . . . . . . . . . 270
Add-On Electrical Equipment . . . . . . 326
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 446
Additional Maintenance
and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . 39
Thigh Support . . . . . . . . . . . . . . . . . . . . . 38
Agreements Trademarks and License . . . . . . . . . 199
Air Cleaner/Filter, Engine . . . . . . . . . . 341
Air Conditioning . . . . . . . . . . . . . . . . . . . . 209
Air Filter Life System . . . . . . . . . . . . . . . . . . . . . . . . 340
Air Filter, Passenger Compartment . . . . . . . . . . . . . . . . . . . . . 214
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
How Does an Airbag Restrain? . . . . 59
Passenger Sensing System . . . . . . . . 61 Airbag System (cont'd)
What Makes an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . . . . 60
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Where Are the Airbags? . . . . . . . . . . . 57
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Passenger Status Indicator . . . . . . . 105
Readiness Light . . . . . . . . . . . . . . . . . . . 105
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
System Check . . . . . . . . . . . . . . . . . . . . . . 55
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . 22
Alert Lane Change . . . . . . . . . . . . . . . . . . . . . . 310
Rear Cross Traffic . . . . . . . . . . . . . . . . . 304
Rear Pedestrian . . . . . . . . . . . . . . . . . . . 303
Side Blind Zone (SBZA) . . . . . . . . . . 310
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 367
All-Wheel Drive System . . . . . . . . . . . . . . . . . . . . . . 254
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . 354
AM-FM Radio . . . . . . . . . . . . . . . . . . . . . . . 149
Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-15268585) -
2022 - CRC - 10/11/21
456 INDEX
Delayed Locking . . . . . . . . . . . . . . . . . . . . . 16
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . 163
DiagnosticsConnected Services . . . . . . . . . . . . . . . 452
Differential, Limited-Slip . . . . . . . . . . . 267
Distracted Driving . . . . . . . . . . . . . . . . . . 217
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . 139
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . 116
Delayed Locking . . . . . . . . . . . . . . . . . . . 16
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Power Locks . . . . . . . . . . . . . . . . . . . . . . . . 16
Drive Belt Routing, Engine . . . . . . . . . 430
Drive Systems All-Wheel Drive . . . . . . . . . . . . . 254, 354
Driver
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Driver Assistance Systems . . . . . . . . . 294
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . .116, 119
Driver Mode Control . . . . . . . . . . . . . . . . 259
Driver Mode Control Light . . . . . . . . . 112
Driving
Assistance Systems . . . . . . . . . . . . . . . 304
Better Fuel Economy . . . . . . . . . . . . . 216
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . . . . . 320
Competitive . . . . . . . . . . . . . . . . . . . . . . . 265 Driving (cont'd)
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Hill and Mountain Roads . . . . . . . . 231
If the Vehicle is Stuck . . . . . . . . . . . . 232
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Loss of Control . . . . . . . . . . . . . . . . . . . . 220
Off-Road Recovery . . . . . . . . . . . . . . . . 219
Track Events and
Competitive . . . . . . . . . . . . . . . . . . . . . . 220
Vehicle Load Limits . . . . . . . . . . . . . . 233
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 230
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . 209
E
Electric Brake Boost . . . . . . . . . . . . . . . . 254
Electric Parking Brake . . . . . . . . . . . . . . 255
Electric Parking Brake Light . . . . . . . 108
Electrical Equipment, Add-On . . . . . 326
Electrical SystemEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Fuses and Circuit Breakers . . . . . . . 359
Instrument Panel Fuse Block . . . . 362
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 341
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . . . . . 106
Compartment Overview . . . . . . . . . . 331
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 103, 104
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 112
Cooling System . . . . . . . . . . . . . . . . . . . 343
Drive Belt Routing . . . . . . . . . . . . . . . . 430
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Oil Life System . . . . . . . . . . . . . . . . . . . . 338
Oil Pressure Light . . . . . . . . . . . . . . . . . 114
Overheating . . . . . . . . . . . . . . . . . . . . . . . 347
Power Messages . . . . . . . . . . . . . . . . . . 126
Running While Parked . . . . . . . . . . . 246
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Engine Air Filter Life System . . . . . . 340
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 140
Equipment, Towing . . . . . . . . . . . . . . . . . 325
Event Data Recorders . . . . . . . . . . . . . . 442
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 141
Extended Parking . . . . . . . . . . . . . . . . . . . 245
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 54