The service and repair manual for the 2018 Hyundai Sonata — 2.4L I4 and 2.0L I4 and 2.0L I4 and 1.6L I4 engines, 18 trims. Matched to this exact model year, so the specifications and sequences are the ones Hyundai published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2018 |
|---|---|
| Engines | 2.4L I4 — 144 cu in, DOHC 2.0L I4 — 122 cu in, DOHC 2.0L I4 — 122 cu in, DOHC, turbocharged 1.6L I4 — 97 cu in, DOHC, turbocharged |
| Trims | GL Sedan 4-Door · Premium Sedan 4-Door · Plug-In Hybrid Sedan 4-Door · Limited 2.0T Sedan 4-Door · GLS Sedan 4-Door · Plug-In Hybrid Limited Sedan 4-Door +12 |
| Federal record | 1 recall · 532 complaints · 144 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Sonata manual
03 / ContentsSections in the manual
- Quick Lookups 208
- General Information 1,547
- Accessories & Equipment 3,453
- Heating, Ventilation & A/C (HVAC) 521
- Body & Frame 634
- Maintenance 13
- Brakes 1,321
- Restraints 1,083
- Drivelines & Axles 25
- Steering 244
- Electrical 393
- Suspension 308
- Engine Mechanical 329
- Transmission 460
- Engine Performance 4,420
04 / Known issuesRecalls on federal record for the 2018 Sonata
- Latches/Locks/Linkages — trunk lid › latch · 21V619000A person inside the trunk compartment may become trapped, increasing their risk of injury.
Owners have filed 532 complaints and Hyundai has issued 144 technical service bulletins for the 2018 Sonata. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Sonata manual
Is this manual specific to the 2018 Sonata?
Yes. It is the OEM manual matched to the 2018 model year, covering the 2.4L I4 and 2.0L I4 and 2.0L I4 and 1.6L I4 across the GL Sedan 4-Door, Premium Sedan 4-Door, Plug-In Hybrid Sedan 4-Door, Limited 2.0T Sedan 4-Door, GLS Sedan 4-Door, Plug-In Hybrid Limited Sedan 4-Door, SE Sedan 4-Door, Hybrid GLS Sedan 4-Door, Hybrid Limited Sedan 4-Door, Eco Sedan 4-Door, Hybrid GL Sedan 4-Door, Sport 2.0T Sedan 4-Door, 2.4 Sport Sedan 4-Door, SEL Sedan 4-Door, Sport Sedan 4-Door, Hybrid SE Sedan 4-Door, Limited Sedan 4-Door, 2.0T Sport Sedan 4-Door trims. Specifications and procedure sequences are the ones Hyundai published for this year.
What 2018 Sonata problems does it help with?
1 recall is on federal record for the 2018 Sonata, covering latches/locks/linkages. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Hyundai dealers.
Does it include 2018 Sonata wiring diagrams?
Yes — the complete wiring diagrams for the 2018 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $55.99 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 Sonata years and 2018 Hyundai models
2024 Sonata · 2023 Sonata · 2022 Sonata · 2021 Sonata · 2020 Sonata · 2019 Sonata · 2017 Sonata · 2016 Sonata · 2015 Sonata · 2014 Sonata · 2013 Sonata · 2012 Sonata · all 36 years
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