Service and repair manuals for 5 model years of the Cadillac CT6, 2016 to 2020. Each manual is matched to one exact year — the specifications and procedure sequences are the ones Cadillac published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 3.0L V6 — DOHC, turbocharged · 3.6L V6 — DOHC · 2.0L I4 — 122 cu in, DOHC, turbocharged · 4.2L V8 — DOHC, turbocharged.
Federal safety record, all years: 7 recalls, 89 owner complaints and 3,393 technical service bulletins are logged for the CT6. Refreshed 2026-08-21.
01 / Model yearsChoose your CT6 year
| Year | Price | Recalls | Engines | Trims | |
|---|---|---|---|---|---|
| 2020 | $49.99 | 1 | 4.2L V8; 3.6L V6 | V Sedan 4-Door · Platinum Sedan 4-Door · Luxury Sedan 4-Door · Premium Luxury Sedan 4-Door | details → |
| 2019 | $49.99 | 1 | 4.2L V8; 3.0L V6; 2.0L I4; 3.6L V6 | V Sedan 4-Door · Platinum Sedan 4-Door · Sport Sedan 4-Door · Luxury Sedan 4-Door +1 | details → |
| 2018 | $49.99 | 2 | 3.0L V6; 3.6L V6; 2.0L I4 | Platinum Sedan 4-Door · Base Sedan 4-Door · Plug-In Sedan 4-Door · Luxury Sedan 4-Door +1 | details → |
| 2017 | $49.99 | 1 | 3.0L V6; 3.6L V6; 2.0L I4 | Platinum Sedan 4-Door · Base Sedan 4-Door · Plug-In Sedan 4-Door · Luxury Sedan 4-Door +1 | details → |
| 2016 | $49.99 | 2 | 3.0L V6; 3.6L V6; 2.0L I4 | Platinum Sedan 4-Door · Base Sedan 4-Door · Luxury Sedan 4-Door · Premium Luxury Sedan 4-Door | details → |
02 / InsideSample pages
From the 2020 CT6 manual.
03 / ContentsWhat the manual covers
- Quick Lookups 1,243
- General Information 1,995
- Accessories & Equipment 11,009
- Heating, Ventilation & A/C (HVAC) 476
- Body & Frame 2,885
- Maintenance 15
- Brakes 2,344
- Restraints 342
- Drivelines & Axles 143
- Steering 471
- Electrical 6,962
- Suspension 319
- Engine Mechanical 1,140
- Transmission 1,083
- Engine Performance 3,776
- First Pass 150
- Second Pass Loosen 45
- Final Pass 270
04 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore CT6 manual | $49.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the CT6 manual
Which CT6 years does this manual cover?
Every year from 2016 to 2020 — 5 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM Cadillac CT6 manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams Cadillac published for the CT6, organized by system — not a condensed aftermarket summary.
Does it include CT6 wiring diagrams?
Yes. Full wiring diagrams are part of every CT6 manual, alongside repair procedures, specifications and diagnostic information.
Does the manual cover CT6 recalls?
7 recalls are on federal record across the 2016–2020 CT6, listed by year below. The manual carries the manufacturer's diagnostic and repair procedures behind the systems involved; the recall repairs themselves are performed free by Cadillac dealers.
Why do some CT6 years cost more?
Every CT6 year is $49.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.
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