The service and repair manual for the 2021 Mazda CX-3 — the 2.0L I4 engine, 6 trims. Matched to this exact model year, so the specifications and sequences are the ones Mazda published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2021 |
|---|---|
| Engines | 2.0L I4 — 122 cu in, DOHC |
| Trims | GT Sport Utility 4-Door · GX Sport Utility 4-Door · i Grand Touring Sport Utility 4-Door · GS Sport Utility 4-Door · Sport Sport Utility 4-Door · I Sport Sport Utility 4-Door |
| Federal record | 1 recall · 3 complaints · 272 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2021 CX-3 manual
03 / ContentsSections in the manual
- Quick Lookups 120
- General Information 1,751
- Accessories & Equipment 3,134
- Heating, Ventilation & A/C (HVAC) 434
- Body & Frame 753
- Maintenance 24
- Brakes 609
- Restraints 363
- Drivelines & Axles 177
- Steering 135
- Electrical 426
- Suspension 155
- Engine Mechanical 572
- Transmission 340
- Engine Performance 2,486
- Loosen 180
04 / Known issuesRecalls on federal record for the 2021 CX-3
- Back Over Prevention — sensing system › camera · 23V487000A rearview camera that does not display properly can reduce the driver's rear view, increasing the r.
Owners have filed 3 complaints and Mazda has issued 272 technical service bulletins for the 2021 CX-3. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2021 CX-3 manual
Is this manual specific to the 2021 CX-3?
Yes. It is the OEM manual matched to the 2021 model year, covering the 2.0L I4 across the GT Sport Utility 4-Door, GX Sport Utility 4-Door, i Grand Touring Sport Utility 4-Door, GS Sport Utility 4-Door, Sport Sport Utility 4-Door, I Sport Sport Utility 4-Door trims. Specifications and procedure sequences are the ones Mazda published for this year.
What 2021 CX-3 problems does it help with?
1 recall is on federal record for the 2021 CX-3, covering back over prevention. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Mazda dealers.
Does it include 2021 CX-3 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 CX-3 years and 2021 Mazda models
2024 CX-3 · 2023 CX-3 · 2022 CX-3 · 2020 CX-3 · 2019 CX-3 · 2018 CX-3 · 2017 CX-3 · 2016 CX-3 · all 9 years
2021 Mazda 2 · 2021 Mazda 3 · 2021 Mazda 3 Sport · 2021 Mazda 6 · 2021 Mazda CX-30 · 2021 Mazda CX-5 · 2021 Mazda CX-9 · 2021 Mazda MX-5 · 2021 Mazda MX-5 Miata · every 2021 model