engine oil CADILLAC CT4 2020 Owner's Guide
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SERVICE AND MAINTENANCE 313
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be
obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission (8-Speed Transmission) DEXRON-HP Automatic Transmission Fluid.
Automatic Transmission (10-Speed Transmission) DEXRON ULV Automatic Transmission Fluid.
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System0246.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0241.
Hood Latch Assembly, Secondary Latch,
Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668) or lubricant meeting
requirements of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid.
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241).
Rear Axle/Front Axle (All-Wheel Drive) See your dealer.
Page 315 of 356
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314 SERVICE AND MAINTENANCE
UsageFluid/Lubricant
Transfer Case (All-Wheel Drive) Transfer Case Fluid. See your dealer. Weatherstrip Conditioning Weatherstrip Lubricant. See your dealer. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection
requirements.
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 2.0L L4 engine 84498926 A3245C
2.7L L4 engine 84498926 A3245C
Engine Oil Filter 2.0L L4 engine 55495105 PF66
2.7L L4 engine 55495105 PF66
Passenger Compartment Air Filter Particulate 13508023 CF185
Carbon 23195727 CF184
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Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
318 TECHNICAL DATA
Vehicle Data
Capacities and Specifications
ApplicationCapacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Engine Cooling System* 2.0L L4 engine 10.4 L 11.0 qt
2.7L L4 engine 13.0 L 13.7 qt
Engine Oil with Filter 2.0L L4 engine 5.0 L 5.3 qt
2.7L L4 engine 5.7 L 6.0 qt
Fuel Tank 66.0 L 17.5 gal
Transfer Case –AWD 0.78 L 0.8 qt
Rear Axle (without limited-slip) 0.75 L 0.79 qt
Rear Axle (with limited-slip) 1.0 L 1.0 qt
Rear Axle (with mechanical limited-slip) 1.0 L 1.0 qt
Front Axle –AWD 0.4 L 0.42 qt
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INDEX 347
Driving (cont'd)Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . . . . . 134
E
Electric Brake Boost . . . . . . . . . . . . . . . . 179
Electric Parking Brake . . . . . . . . . . . . . . 179
Electric Parking Brake Light . . . . . . . 102
Electrical Equipment, Add-On . . . . . 231
Electrical SystemEngine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260
Fuses and Circuit Breakers . . . . . . . 260
Instrument Panel Fuse Block . . . . 262
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 245
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 100
Compartment Overview . . . . . . . . . . 238
Coolant Temperature Gauge . . . . . . . 97
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 105 Engine (cont'd)
Cooling System . . . . . . . . . . . . . . . . . . . 246
Drive Belt Routing . . . . . . . . . . . . . . . . 320
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Oil Life System . . . . . . . . . . . . . . . . . . . . 243
Oil Pressure Light . . . . . . . . . . . . . . . . . 107
Overheating . . . . . . . . . . . . . . . . . . . . . . . 250
Power Messages . . . . . . . . . . . . . . . . . . 115
Running While Parked . . . . . . . . . . . 168
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 131
Equipment, Towing . . . . . . . . . . . . . . . . . 230
Event Data Recorders . . . . . . . . . . . . . . 333
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 131
Extended Parking . . . . . . . . . . . . . . . . . . . 167
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 50
Exterior Lamp Controls . . . . . . . . . . . . 125
Exterior Lamps Off Reminder . . . . . . 127
Exterior Lighting Battery Saver . . . . 132
F
Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . 245
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 127
Flashers, Hazard Warning . . . . . . . . . . 128
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 287
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 Fluid
Automatic Transmission . . . . . . . . . 244
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 26
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Front Seats Heated and Ventilated . . . . . . . . . . . . . 40
Front Turn Signal Lamps . . . . . . . . . . 259
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Economy, Driving for Better . . . . . 142
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . . . . . . 224
Filling the Tank . . . . . . . . . . . . . . . . . . . 222
Foreign Countries . . . . . . . . . . . . . . . . . 222
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Low Fuel Warning Light . . . . . . . . . 107
Management, Active . . . . . . . . . . . . . . 167
Prohibited Fuels . . . . . . . . . . . . . . . . . . 222
Recommended . . . . . . . . . . . . . . . . . . . . 221
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
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INDEX 349
K
Keyless EntryRemote (RKE) System . . . . . . . . . . . . . . . 8
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 270
Lamps Cornering . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Daytime Running (DRL) . . . . . . . . . . 127
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Exterior Controls . . . . . . . . . . . . . . . . . . 125
Exterior Lamps Off Reminder . . . . 127
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Front Turn Signal . . . . . . . . . . . . . . . . . 259
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 100
On Reminder . . . . . . . . . . . . . . . . . . . . . . 108
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Lane Change Alert (LCA) . . . . . . . . . . . 217
Lane Keep Assist (LKA) . . . . . . . . . . . . 219
Lane Keep Assist Light . . . . . . . . . . . . . 103
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 47
LATCH System Replacing Parts after a Crash . . . . . . 76 LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . . . . 70
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 259
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Illumination Control . . . . . . . . . . . . . . 129
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Lights Airbag Readiness . . . . . . . . . . . . . . . . . . . 98
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . 103
Automatic Vehicle Hold . . . . . . . . . . 103
Brake System Warning . . . . . . . . . . . 102
Charging System . . . . . . . . . . . . . . . . . . . . 99
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 100
Cruise Control . . . . . . . . . . . . . . . . . . . . . 108
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Driver Mode Control . . . . . . . . . . . . . . 106
Electric Parking Brake . . . . . . . . . . . . 102
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 105
Engine Oil Pressure . . . . . . . . . . . . . . . 107
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 127
High-Beam On . . . . . . . . . . . . . . . . . . . . 107
High/Low Beam Changer . . . . . . . . . 127
Lane Keep Assist . . . . . . . . . . . . . . . . . . 103 Lights (cont'd)
Low Fuel Warning . . . . . . . . . . . . . . . . 107
Seat Belt Reminders . . . . . . . . . . . . . . . . 97
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Service Electric Parking Brake . . . 102
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 104
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 106
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . 105
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 104
Limited-Slip Differential . . . . . . . . . . . . 191
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . . . . . . 18
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lockout Protection . . . . . . . . . . . . . . . . . 19
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 146
Low Fuel Warning Light . . . . . . . . . . . 107
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . 270
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 70
Lumbar Adjustment . . . . . . . . . . . . . . . . . 36 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 36
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350 INDEX
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 310
Maintenance Schedule . . . . . . . . . . . . . 303 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 313
Malfunction Indicator Lamp . . . . . . . 100
Manual Mode . . . . . . . . . . . . . . . . . .176, 177
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 37
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 115
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 115
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 27
Automatic Dimming Rearview . . . . . 28
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Manual Rearview . . . . . . . . . . . . . . . . . . . 28
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . 27
Mirrors, Interior Rearview . . . . . . . . . . . 28
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Driver Control . . . . . . . . . . . . . . . . . . . . . 184 Monitor System, Tire Pressure . . . . . 276N
Navigation
Connected Services . . . . . . . . . . . . . . . 341
New Vehicle Break-In . . . . . . . . . . . . . . . 157
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Engine Oil Life System . . . . . . . . . . . 243
Pressure Light . . . . . . . . . . . . . . . . . . . . . 107
Older Children, Restraints . . . . . . . . . . . 63
Online Owner Center . . . . . . . . . . . . . . . 324
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
OnStar Additional Information . . . . 337
OnStar Emergency . . . . . . . . . . . . . . . . . . 336
OnStar Overview . . . . . . . . . . . . . . . . . . . . 335
OnStar Security . . . . . . . . . . . . . . . . . . . . . 337
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Overheating, Engine . . . . . . . . . . . . . . . . 250
Overview Instrument Panel . . . . . . . . . . . . . . . . . . . . 5
P
ParkShifting Out of . . . . . . . . . . . . . . . . . . . . 165
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . . . . . . 256
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Over Things That Burn . . . . . . . . . . . 167
Parking or Backing
Assistance Systems . . . . . . . . . . . . . . . 204
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Passenger Sensing System . . . . . . . . . . 57
Pedestrian Ahead Indicator . . . . . . . . 104
Perchlorate Materials Requirements, California . . . . . . . . . 235
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Protection, Battery . . . . . . . . . . . . . . . . 132
Retained Accessory (RAP) . . . . . . . . 163
Seat Adjustment . . . . . . . . . . . . . . . . . . . . 35