The service and repair manual for the 2021 Kia Seltos — 1.4L I4 and 1.6L I4 and 2.0L I4 and 1.6L I4 engines, 8 trims. Matched to this exact model year, so the specifications and sequences are the ones Kia published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 1.4L I4 — 83 cu in, DOHC, turbocharged 1.6L I4 — 97 cu in, DOHC, turbocharged 2.0L I4 — 122 cu in, DOHC 1.6L I4 — 97 cu in, DOHC |
| Trims | GT Line Sport Utility 4-Door · SX Sport Utility 4-Door · SX Turbo Sport Utility 4-Door · LX Sport Utility 4-Door · S Sport Utility 4-Door · EX Premium Sport Utility 4-Door +2 |
| Federal record | 1 recall · 453 complaints · 133 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Seltos manual
03 / ContentsSections in the manual
- Quick Lookups 173
- General Information 1,577
- Accessories & Equipment 5,161
- Heating, Ventilation & A/C (HVAC) 457
- Body & Frame 529
- Maintenance 11
- Brakes 1,751
- Restraints 1,370
- Drivelines & Axles 80
- Steering 406
- Electrical 443
- Suspension 367
- Engine Mechanical 337
- Transmission 1,135
- Engine Performance 4,752
04 / Known issuesRecalls on federal record for the 2021 Seltos
- Engine · 21V259000A damaged engine may stall, increasing the risk of a crash. in addition, oil may leak onto hot exha.
Owners have filed 453 complaints and Kia has issued 133 technical service bulletins for the 2021 Seltos. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Seltos manual
Is this manual specific to the 2021 Seltos?
Yes. It is the OEM manual matched to the 2021 model year, covering the 1.4L I4 and 1.6L I4 and 2.0L I4 and 1.6L I4 across the GT Line Sport Utility 4-Door, SX Sport Utility 4-Door, SX Turbo Sport Utility 4-Door, LX Sport Utility 4-Door, S Sport Utility 4-Door, EX Premium Sport Utility 4-Door, EX Pack Sport Utility 4-Door, EX Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Kia published for this year.
What 2021 Seltos problems does it help with?
1 recall is on federal record for the 2021 Seltos, covering engine. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Kia dealers.
Does it include 2021 Seltos 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 Seltos years and 2021 Kia models
2024 Seltos · 2023 Seltos · 2022 Seltos · 2020 Seltos · all 5 years
2021 Kia Forte · 2021 Kia Forte5 · 2021 Kia K5 · 2021 Kia Niro · 2021 Kia Niro EV · 2021 Kia Rio · 2021 Kia Sedona · 2021 Kia Sorento · 2021 Kia Soul · 2021 Kia Soul EV · 2021 Kia Sportage · 2021 Kia Stinger · every 2021 model