The service and repair manual for the 2021 Honda Insight — the 1.5L I4 engine, 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 | 2021 |
|---|---|
| Engines | 1.5L I4 — 91 cu in, DOHC |
| Trims | Base Sedan 4-Door · EX Sedan 4-Door · Touring Sedan 4-Door · LX Sedan 4-Door |
| Federal record | 1 recall · 35 complaints · 25 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 Insight manual
03 / ContentsSections in the manual
- Quick Lookups 126
- General Information 1,578
- Accessories & Equipment 1,814
- Heating, Ventilation & A/C (HVAC) 92
- Body & Frame 448
- Hybrid/Electric Powertrain 271
- Brakes 3,328
- Maintenance 71
- Drivelines & Axles 23
- Restraints 245
- Electrical 456
- Steering 163
- Engine Mechanical 254
- Suspension 106
- Engine Performance 5,120
- Transmission 80
- Axle Nut/Hub Nut 245
- Battery 12
04 / Known issuesRecalls on federal record for the 2021 Insight
- Air Bags — sensor › occupant classification › front passenger · 24V064000An air bag that deploys unintentionally during a crash can increase the risk of injury.
Owners have filed 35 complaints and Honda has issued 25 technical service bulletins for the 2021 Insight. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 Insight manual
Is this manual specific to the 2021 Insight?
Yes. It is the OEM manual matched to the 2021 model year, covering the 1.5L I4 across the Base Sedan 4-Door, EX Sedan 4-Door, Touring Sedan 4-Door, LX Sedan 4-Door trims. Specifications and procedure sequences are the ones Honda published for this year.
What 2021 Insight problems does it help with?
1 recall is on federal record for the 2021 Insight, covering air bags. 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 2021 Insight 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 Insight years and 2021 Honda models
2022 Insight · 2020 Insight · 2019 Insight · all 16 years
2021 Honda Accord · 2021 Honda BR-V · 2021 Honda CR-V · 2021 Honda City · 2021 Honda Civic · 2021 Honda Clarity · 2021 Honda HR-V · 2021 Honda Odyssey · 2021 Honda Passport · 2021 Honda Pilot · 2021 Honda Ridgeline · every 2021 model