Automatic Transmission (10-Speed Transmission)
DEXRON ULV Automatic Transmission Fluid.
Applies to: Automatic Transmission (10-Speed Transmission)
Owner’s manual specs
2026 Cadillac CT4 Specs: Oil Capacity, Fluids & Fuse Box
Figures for the 2026 Cadillac CT4, copied from Cadillac’s own owner’s manual. Every one links to the manual page it came from.
From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.
Engines in this manual: 2.0L L4, 2.7L L4, 3.6L V6. Figures that differ by engine say which engine they are for.
Fluids & capacities
All engines
Automatic Transmission (8-Speed Transmission)
DEXRON-HP Automatic Transmission Fluid.
Applies to: Automatic Transmission (8-Speed Transmission)
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 3 299.
Applies to: Engine Coolant
Engine Oil
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 3 293.
Applies to: Engine Oil
Manual Transmission
DEXRON III Automatic Transmission Fluid.
Applies to: Manual Transmission
2.0L L4
Engine Cooling System*
11 qt
10.4 L
Applies to: 2.0L L4 Engine
Engine Oil with Filter
5.3 qt
5 L
Applies to: 2.0L L4 Engine · with filter
2.7L L4
Engine Cooling System*
13.7 qt
13 L
Applies to: 2.7L L4 Engine
Engine Oil with Filter
5.5 qt
5.2 L
Applies to: 2.7L L4 Engine with Aluminum Oil Pan · with filter
Engine Oil with Filter
6 qt
5.7 L
Applies to: 2.7L L4 Engine with Plastic Oil Pan · with filter
3.6L V6
Engine Cooling System*
14.4 qt
13.6 L
Applies to: 3.6L V6 Engine
Engine Cooling System*
2.9 qt
2.7 L
Applies to: 3.6L V6 Engine Intercoolers (V-Series Blackwing)
Fuse box locations & fuse chart
Instrument Panel Fuse Block
Where to find it
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.
Diagrams in the manual
Rear Compartment Fuse Block
Where to find it
Rear Compartment Fuse Block The rear compartment fuse block is behind a cover on the driver side of the rear compartment.
Diagrams in the manual
Not on this page
- Maintenance schedule: The manual we hold doesn't cover this.
- Oil life & reset procedures: The manual we hold doesn't cover this.