The service and repair manual for the 2018 Honda Clarity — 1.5L I4 and Hydrogen fuel cell and Battery electric engines, 4 trims. Matched to this exact model year, so the specifications and sequences are the ones Honda published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2018 |
|---|---|
| Engines | 1.5L I4 — 91 cu in, DOHC Hydrogen fuel cell Battery electric |
| Trims | Plug-In Hybrid Sedan 4-Door · Fuel Cell Sedan 4-Door · Plug-In Hybrid Touring Sedan 4-Door · Electric Sedan 4-Door |
| Other 2018 Clarity variants | Clarity Plug-In Hybrid → |
| Federal record | 1 recall · 190 complaints · 0 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 Clarity manual
03 / ContentsSections in the manual
- Quick Lookups 109
- General Information 1,640
- Accessories & Equipment 1,183
- Heating, Ventilation & A/C (HVAC) 174
- Body & Frame 417
- Hybrid/Electric Powertrain 736
- Brakes 1,014
- Maintenance 70
- Restraints 283
- Electrical 513
- Steering 149
- Suspension 137
- Engine Performance 98
- Transmission 23
- Front 328
- Battery 12
- Wheel Lug Nut Torque 108
04 / Known issuesRecalls on federal record for the 2018 Clarity
- Fuel System, Gasoline — delivery › fuel pump · 23V858000Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.
Owners have filed 190 complaints and Honda has issued 0 technical service bulletins for the 2018 Clarity. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 Clarity manual
Is this manual specific to the 2018 Clarity?
Yes. It is the OEM manual matched to the 2018 model year, covering the 1.5L I4 and Hydrogen fuel cell and Battery electric across the Plug-In Hybrid Sedan 4-Door, Fuel Cell Sedan 4-Door, Plug-In Hybrid Touring Sedan 4-Door, Electric Sedan 4-Door trims. Specifications and procedure sequences are the ones Honda published for this year.
What 2018 Clarity problems does it help with?
1 recall is on federal record for the 2018 Clarity, covering fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Honda dealers.
Does it include 2018 Clarity wiring diagrams?
Yes — the complete wiring diagrams for the 2018 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 Clarity years and 2018 Honda models
2021 Clarity · 2020 Clarity · 2019 Clarity · 2017 Clarity · all 5 years
2018 Honda Accord · 2018 Honda BR-V · 2018 Honda CR-V · 2018 Honda City · 2018 Honda Civic · 2018 Honda Clarity Plug-In Hybrid · 2018 Honda Fit · 2018 Honda HR-V · 2018 Honda Insight · 2018 Honda Odyssey · 2018 Honda Passport · 2018 Honda Pilot · every 2018 model