Automatic Transmission
DEXRON-ULV Automatic Transmission Fluid (GM Part No. 19352619, in Canada 19352620).
Applies to: Automatic Transmission
Owner’s manual specs
2019 Cadillac CT6 Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box
Figures for the 2019 Cadillac CT6, 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, 3.0L V6, 3.6L V6, 4.2L V8. Figures that differ by engine say which engine they are for.
Fluids & capacities
All engines
Engine Coolant
50/50 mixture of clean drinkable water and use only DEX-COOL Coolant.
Applies to: Engine Coolant
2.0L L4
Cooling System - Engine
10 qt
9.4 L
Applies to: 2.0L L4 Engine
Cooling System - Engine
11.6 qt
11 L
Applies to: 2.0L L4 Engine with Rear A/C
Engine Oil with Filter
5.3 qt
5 L
Applies to: 2.0L L4 Engine · with filter
3.0L V6
Cooling System - Engine
11.2 qt
10.6 L
Applies to: 3.0L V6 Engine
Cooling System - Engine
13 qt
12.3 L
Applies to: 3.0L V6 Engine with Rear A/C
Cooling System - Engine
3.4 qt
3.2 L
Applies to: 3.0L V6 Engine Intercoolers
Engine Oil with Filter
6 qt
5.7 L
Applies to: 3.0L V6 Engine · with filter
3.6L V6
Cooling System - Engine
10.4 qt
9.8 L
Applies to: 3.6L V6 Engine
Cooling System - Engine
12 qt
11.4 L
Applies to: 3.6L V6 Engine with Rear A/C
Engine Oil with Filter
6 qt
5.7 L
Applies to: 3.6L V6 Engine · with filter
4.2L V8
Cooling System - Engine
11.5 qt
10.9 L
Applies to: 4.2L V8 Engine
Engine Oil with Filter
9 qt
8.5 L
Applies to: 4.2L V8 Engine · with filter
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Replace engine air cleaner filter. (4.2L Engine Only) (4) | Every 30,000 mi(48,000 km) |
| Replace engine air cleaner filter. (Except 4.2L Engine) (5) | Every 45,000 mi(72,000 km) |
| Replace passenger compartment air filter. (2) | Every 22,500 mi(36,000 km) |
Severe service schedule
Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.
| Service | When |
|---|---|
| Change automatic transmission fluid and filter. | Every 45,000 mi(72,000 km) |
| Replace engine air cleaner filter. (4.2L Engine Only) (4) | Every 30,000 mi(48,000 km) |
| Replace engine air cleaner filter. (Except 4.2L Engine) (5) | Every 45,000 mi(72,000 km) |
| Replace passenger compartment air filter. (2) | Every 22,500 mi(36,000 km) |
Oil life & reset procedures
Engine oil life system reset
Before you start
- Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change.
Steps
- Using the DIC buttons, display REMAINING OIL LIFE on the DIC. See Driver Information Center (DIC) 0 150.
- Press and hold SEL to clear the CHANGE ENGINE OIL SOON message and reset the oil life at 100%.
- Press T to move to the Reset/ Disable display area. Select Reset then press SEL. Then press Yes to confirm the reset.
- 100% Air Filter Life will be displayed when the Engine Air Filter Life System is successfully reset.
You’ll know it worked: If the CHANGE ENGINE OIL SOON message is not on, the system is reset.
Use of the incorrect automatic transmission fluid may damage the vehicle, and the damage may not be covered by the vehicle warranty.
Fuse box locations & fuse chart
Engine Compartment Fuse Block
Diagrams in the manual
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 5 | — | Transfer case control/Transmission control module ignition | p.324 |
| 7 | — | Starter motor | p.324 |
| 8 | — | Starter pinion | p.324 |
| 9 | — | Horn | p.324 |
| 13 | — | High-beam headlamps left/right | p.324 |
| 14 | — | Air conditioning control | p.326 |
| 15 | — | Starter motor | p.326 |
| 16 | — | Starter pinion | p.326 |
| 17 | — | Run/Crank | p.326 |
| 18 | — | Right cornering LED | p.324 |
| 20 | — | High-beam headlamp | p.326 |
| 21 | — | Air conditioning clutch | p.324 |
| 22 | — | Transmission auxiliary oil pump cooling | p.325 |
| 24 | — | Cabin heater pump | p.325 |
| 25 | — | Cabin heater pump | p.326 |
| 26 | — | Engine control module ignition | p.325 |
| 27 | — | Steering column lock ignition | p.325 |
| 28 | — | Rear heated seats ignition | p.325 |
| 29 | — | Front heated seats ignition | p.325 |
| 31 | — | Headlamp/Daytime running lamps/Right headlamp | p.325 |
| 36 | — | Engine control module ignition - 1 | p.325 |
| 37 | — | Coolant pump/ Ignition coils - odd | p.325 |
| 38 | — | Ignition coils - even/ Non walk 2 | p.325 |
| 39 | — | Non walk | p.325 |
| 40 | — | Electric brake control module1/Instrument cluster/central gateway module ignition | p.325 |
| 42 | — | Fuel tank zone module/Ignition | p.325 |
| 43 | — | Heated steering wheel module/ Reflective light aux display/HVAC IGN/ Automatic occupant sensing display | p.325 |
| 44 | — | Aeroshutter | p.325 |
| 46 | — | Front short range radar sensors | p.325 |
| 47 | — | Left cornering LED | p.325 |
| 50 | — | Engine control module | p.326 |
| 52 | — | Wiper control | p.326 |
| 53 | — | Headlamp control | p.326 |
| 60 | — | Antilock brake system pump/Electric brake control module - 1 | p.325 |
| 61 | — | Front wiper | p.325 |
| 62 | — | Headlamp leveling | p.325 |
| 66 | — | Transfer case control module | p.325 |
| 71 | — | Antilock brake system valve | p.326 |
Instrument Panel Fuse Block
Where to find it
Instrument Panel Fuse Block The instrument panel fuse block is behind the driver side instrument panel storage compartment.
pressure to the two retaining tabs on the sides of the compartment, until the two retaining tabs clear the sides of the instrument panel.
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 passenger side.
Diagrams in the manual
More fuse pages in the manual
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.
- 2019 Cadillac CT6 Owner Manual, page 326
- 2019 Cadillac CT6 Owner Manual, page 327
- 2019 Cadillac CT6 Owner Manual, page 328
- 2019 Cadillac CT6 Owner Manual, page 329
- 2019 Cadillac CT6 Owner Manual, page 331
- 2019 Cadillac CT6 Owner Manual, page 333
- 2019 Cadillac CT6 Owner Manual, page 336
- 2019 Cadillac CT6 Owner Manual, page 325