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Owner’s manual specs

2018 Cadillac CTS Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box

Figures for the 2018 Cadillac CTS, 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, 3.6L V6, 6.2L V8. Figures that differ by engine say which engine they are for.

Fluids & capacities

All engines

2.0L L4

3.6L V6

6.2L V8

Maintenance schedule

Normal service schedule

Use this for ordinary driving.

ServiceWhen
Replace engine air cleaner filter. (4)

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 341

Every 45,000 mi(72,000 km)
Replace passenger compartment air filter. (2)

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 341

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.

ServiceWhen
Change automatic transmission fluid and filter.

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 343

Every 45,000 mi(72,000 km)
Replace engine air cleaner filter. (6.2L V8 Engine) (4)

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 343

Every 22,500 mi(36,000 km)
Replace engine air cleaner filter. (Except 6.2L V8 Engine) (4)

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 343

Every 45,000 mi(72,000 km)
Replace passenger compartment air filter. (2)

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 343

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

  1. Using the DIC buttons, display REMAINING OIL LIFE on the DIC. See Driver Information Center (DIC) 0 137.
  2. Press and hold SEL to clear the CHANGE ENGINE OIL SOON message and reset the oil life at 100%.
  3. Pull out the air cleaner/filter.
  4. Inspect or replace the air cleaner/filter.
  5. Reverse Steps 1-3 to reinstall the air cleaner/filter cover.

You’ll know it worked: If the CHANGE ENGINE OIL SOON message is not on, the system is reset.

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 266

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.

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 289

What each fuse protects

FuseAmpsProtectsSource
6—Tilt and telescopic steering columnp.290
8—Data link connectorp.290
9—Glovebox releasep.290
10—Shuntp.290
11—Body control module 1p.290
12—Body control module 5p.290
13—Body control module 6p.290
15—Body control module 7p.290
16—Transmission control modulep.290
21—Wireless chargerp.291
22—Sensing diagnostic module/Automatic occupant sensingp.291
23—Radio/DVD/Heating, ventilation/Air conditioning controlp.291
24—Displayp.291
25—Heated steering wheelp.291
26—Wireless chargerp.291
27—Steering wheel controlsp.291
29—Visor vanity lampp.291
31—Retained accessory power/Accessoryp.291

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.

Source: 2018 Cadillac CTS and Cadillac CTS-V Owner Manual, page 291

What each fuse protects

FuseAmpsProtectsSource
4—Alternate current inverterp.292
5—Passive entry/Passive start/ Battery 1p.292
6—Body control module 4p.292
7—Heated mirrorsp.292
8—Amplifierp.292
9—Rear window defoggerp.292
10—Glass breakp.292
11—Trailer connectorp.292
12—OnStar (if equipped)p.292
13—Right windowp.292
14—Electric parking brakep.292
16—Trunk releasep.292
17—Trailerp.293
18—Logisticsp.293
19—Logisticsp.292
20—Rear window defoggerp.293
21—Mirror window modulep.292
23—Canister ventp.292
24—Body control module 2p.292
26—Front ventilated seatsp.293
27—Side blind zone alert/Lane departure warning/External object calculating modulep.293
28—Trailer/Sunshadep.293
29—Rear heated seatsp.293
30—Semi-active damping systemp.293
31—Transfer case control module/Rear control drive modulep.293
32—Theft module/Universal garage door opener/Rain sensorp.293
33—Ultrasonic parking assistp.293
34—Radio/DVDp.293
35—- /Exhaust valve (V-series)p.293
36—Trailerp.293
37—Fuel system control modulep.293
38—Fuel pump prime/Exhaust valve (V-series)p.293
40—Run crank 2 (V-series)p.293
41—Fuel pump prime/ Run crank 2p.293
42—Memory seat modulep.293
43—Body control module 3p.293
45—Battery regulated voltage controlp.293
46—Engine control module/ Batteryp.293
49—Trailer modulep.293
50—Child door lock securityp.293
51—Rear closurep.293
52—Rear closure 2p.293
54—Door lock securityp.293
56—Fuel doorp.293

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.

Other Cadillac CTS years