The service and repair manual for the 2021 Genesis G90 — 3.3L V6 and 5.0L V8 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Genesis published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 3.3L V6 — 204 cu in, DOHC, turbocharged 5.0L V8 — 307 cu in, DOHC |
| Trims | Premium Sedan 4-Door · Prestige Sedan 4-Door · Ultimate Sedan 4-Door |
| Federal record | 1 recall · 9 complaints · 20 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 G90 manual
03 / ContentsSections in the manual
- Quick Lookups 155
- General Information 1,564
- Accessories & Equipment 7,444
- Heating, Ventilation & A/C (HVAC) 1,285
- Body & Frame 851
- Brakes 1,319
- Restraints 1,348
- Drivelines & Axles 51
- Steering 323
- Electrical 457
- Suspension 1,486
- Engine Mechanical 427
- Transmission 1,068
- Engine Performance 8,433
04 / Known issuesRecalls on federal record for the 2021 G90
- Engine And Engine Cooling — engine › gasoline › turbo/supercharger · 24V191000An oil leak in the presence of hot engine components can increase the risk of an engine compartment.
Owners have filed 9 complaints and Genesis has issued 20 technical service bulletins for the 2021 G90. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 G90 manual
Is this manual specific to the 2021 G90?
Yes. It is the OEM manual matched to the 2021 model year, covering the 3.3L V6 and 5.0L V8 across the Premium Sedan 4-Door, Prestige Sedan 4-Door, Ultimate Sedan 4-Door trims. Specifications and procedure sequences are the ones Genesis published for this year.
What 2021 G90 problems does it help with?
1 recall is on federal record for the 2021 G90, covering engine and engine cooling. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Genesis dealers.
Does it include 2021 G90 wiring diagrams?
Yes — the complete wiring diagrams for the 2021 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $49.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther G90 years and 2021 Genesis models
2024 G90 · 2023 G90 · 2022 G90 · 2020 G90 · 2019 G90 · 2018 G90 · 2017 G90 · all 8 years
2021 Genesis G70 · 2021 Genesis G80 · 2021 Genesis GV80 · every 2021 model