Automatic Transmission (10-Speed Transmission)
DEXRON ULV Automatic Transmission Fluid.
Applies to: Automatic Transmission (10-Speed Transmission)
Owner’s manual specs
Figures for the 2025 Cadillac CT4, copied from Cadillac’s own owner’s manual. Every one links to the manual page it came from.
Engines in this manual: 2.0L L4, 2.7L L4, 3.6L V6. Figures that differ by engine say which engine they are for.
DEXRON ULV Automatic Transmission Fluid.
Applies to: Automatic Transmission (10-Speed Transmission)
DEXRON-HP Automatic Transmission Fluid.
Applies to: Automatic Transmission (8-Speed Transmission)
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 3 305.
Applies to: Engine Coolant
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 3 299.
Applies to: Engine Oil
DEXRON III Automatic Transmission Fluid.
Applies to: Manual Transmission
11 qt
10.4 L
Applies to: 2.0L L4 Engine
5.3 qt
5 L
Applies to: 2.0L L4 Engine · with filter
13.7 qt
13 L
Applies to: 2.7L L4 Engine
6 qt
5.7 L
Applies to: 2.7L L4 Engine · with filter
14.4 qt
13.6 L
Applies to: 3.6L V6 Engine
2.9 qt
2.7 L
Applies to: 3.6L V6 Engine Intercoolers (V-Series Blackwing)
7 qt
6.6 L
Applies to: 3.6L V6 Engine · with filter
Instrument Panel Fuse Block The instrument panel fuse block is in the end of the driver side of the instrument panel.
remove the end panel by gently prying with a plastic tool near each clip, beginning at the point shown.
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Run After Park/Accessory | p.326 |
| 8 | — | Heated Steering Wheel | p.325 |
| 10 | — | Electronic Steering Column Lock 1 | p.325 |
| 18 | — | Display/ Infotainment/USB/Multi- function Control Module | p.325 |
| 20 | — | Power Steering Column Module/Electronic Steering Column Lock 2 | p.326 |
| 21 | — | Driver Monitor System/Performance Data Recorder | p.326 |
| 25 | — | USB | p.326 |
| 31 | — | Headlamp Level/Spare | p.326 |
| 33 | — | Body Ignition/IP Ignition | p.326 |
| 34 | — | Exhaust Valve | p.326 |
| 36 | — | Shift Module | p.326 |
| 37 | — | Body Control Module 1/Electronic Park Brake Switch | p.326 |
| 38 | — | Center Stack Module | p.326 |
| 39 | — | Steering Wheel Controls | p.326 |
| 40 | — | Body Control Module 2 | p.326 |
| 41 | — | Body Control Module 3 | p.326 |
| 42 | — | Body Control Module 4 | p.326 |
| 54 | — | Starter Pinion/Not Used | p.323 |
| 57 | — | AC Clutch | p.323 |
Rear Compartment Fuse Block The rear compartment fuse block is behind a cover on the driver side of the rear compartment.
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 1 | — | Remote Function Actuator | p.327 |
| 3 | — | Driver Heated Seat | p.327 |
| 4 | — | Fuel Tank Zone Module | p.327 |
| 10 | — | Motor Seat Belt Passenger | p.327 |
| 11 | — | Canister Vent Solenoid | p.327 |
| 12 | — | Sunroof | p.327 |
| 15 | — | Passenger Heated Seat | p.327 |
| 17 | — | Electronic Suspension Control | p.328 |
| 19 | — | Motor Seat Belt Driver | p.328 |
| 20 | — | Rear Defog | p.328 |
| 21 | — | DC to DC Transformer 2 | p.328 |
| 22 | — | Driver Power Window/ Door Handle Switch | p.328 |
| 24 | — | Passenger Power Window/Door Handle Switch | p.328 |
| 27 | — | Rear Drive Control Module | p.328 |
| 31 | — | DC to DC Transformer 1 | p.328 |
| 32 | — | Transfer Case Electronic Control | p.328 |
| 33 | — | Central Gateway Module/ Side Blind Zone Alert | p.328 |
| 34 | — | Video Processing Module | p.328 |
| 35 | — | Hands Free Closure Release | p.328 |
| 36 | — | Exterior Lighting Module 2 | p.328 |
| 37 | — | Passenger Memory Seat Module | p.328 |
| 42 | — | Amplifier | p.328 |
| 43 | — | Park Assist Module | p.328 |
| 44 | — | Driver Memory Seat Module | p.328 |
| 45 | — | OnStar | p.328 |
| 50 | — | Driver Seat | p.328 |
| 51 | — | Left Front/Left Rear Window | p.328 |
| 52 | — | Passenger Seat | p.328 |
| 55 | — | Run | p.329 |
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.