Page 484 of 526

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/6/22
Technical Data 483
ApplicationCapacities
Metric English
Front Axle 0.40 L 0.42 qt
Rear Axle
IOpen Differential - Small 0.75 L 0.79 qt
IOpen Differential - Large 1.0 L 1.0 qt
IMechanical Limited Slip 1.0 L 1.0 qt
IElectronic Limited Slip 1.5 L 1.5 qt
Fuel Tank 66.0 L 17.5 gal
Transfer Case (AWD) 0.80 L 0.85 qt
Wheel Nut Torque 190Y 140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual.
Recheck fluid level after filling.
*Engine cooling system capacity values are based on the entire cooling system and its components.
Engine Specifications
Engine VIN CodeTransmission Spark Plug Gap
2.0L L4 Engine (LSY) KAutomatic0.65–0.75 mm (0.026–0.030 in)
3.0L V6 Engine (LGY) WAutomatic0.65–0.75 mm (0.026–0.030 in)
6.2L V8 Engine (LT4) 6Automatic
Manual 0.725–0.875 mm (0.028–
0.034 in)
Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the
spark plug.
Page 516 of 526

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
Page 519 of 526

Cadillac CT5 Owner Manual (GMNA-Localizing-U.S./Canada-16500419) -
2023 - CRC - 5/11/22
518 INDEX
Lights (cont'd)Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . 128
Automatic Emergency Braking (AEB)
Disabled . . . . . . . . . . . . . . . . . . . . . 130
Automatic
Vehicle Hold . . . . . . . . . . . . . . . . 129
Brake System Warning . . . 127
Charging System . . . . . . . . . . . 124
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 125
Cruise Control Light . . . . . . . 135
Door Ajar . . . . . . . . . . . . . . . . . . . . . . 136
Driver Mode Control . . . . . . . 132
Electric Parking Brake . . . . 128
Engine Coolant Temperature
Warning . . . . . . . . . . . . . . . . . . . . . 131
Engine Oil Pressure . . . . . . . . 134
Gauges and Indicators . . . . . 112
High-Beam On . . . . . . . . . . . . . . . 135
Lane Keep Assist . . . . . . . . . . . 129
Low Fuel Warning . . . . . . . . . . 134
Performance Shifting . . . . . 129
Seat Belt Reminders . . . . . . 122
Security . . . . . . . . . . . . . . . . . . . . . . . 135 Lights (cont'd)
Service Electric
Parking Brake . . . . . . . . . . . . . . 128
StabiliTrak OFF . . . . . . . . . . . . . 131
Tire Pressure . . . . . . . . . . . . . . . . 133
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . 131
Traction Off . . . . . . . . . . . . . . . . . . 130
Limited-Slip Differential . . . 302
Lock Steering Column . . . . . . . . . . . . . . 31
Locks Automatic Door . . . . . . . . . . . . . . . 21
Delayed Locking . . . . . . . . . . . . . . 21
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Lockout Protection . . . . . . . . . 22
Power Door . . . . . . . . . . . . . . . . . . . . 21
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Loss of Control . . . . . . . . . . . . . . 245
Low Fuel Warning Light . . . . 134
Low-Profile Tires . . . . . . . . . . . . . 421
Lower Anchors and Tethers for Children
(LATCH System) . . . . . . . . . . . . . 87
Lumbar Adjustment . . . . . . . . . . 46
Front Seats . . . . . . . . . . . . . . . . . . . 46M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . 479
Maintenance Schedule . . . . . 471 Recommended Fluids
and Lubricants . . . . . . . . . . . 476
Malfunction Indicator Lamp . . . . . . . . . . . . . . 125
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 282
Transmission . . . . . . . . . . . . . . . 283
Transmission Fluid . . . . . . . . 388
Map Data Updates . . . . . . . . . . . 192
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Massage Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Matching Active Rev . . . . . . . . . . . . . . . . . . . 286
Media
Avoiding UntrustedDevices . . . . . . . . . . . . . . . . . . . . . . 174
Memory Seats . . . . . . . . . . . . . . . . . . 48
Messages Engine Power . . . . . . . . . . . . . . . 148
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . 147
Vehicle Speed . . . . . . . . . . . . . . . 148