The service and repair manual for the 2020 Audi A3 — 1.4L I4 and 2.0L I4 engines, 10 trims. Matched to this exact model year, so the specifications and sequences are the ones Audi published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2020 |
|---|---|
| Engines | 1.4L I4 — 85 cu in, DOHC, turbocharged 2.0L I4 — 121 cu in, DOHC, turbocharged |
| Trims | Select Sedan 4-Door · Premium Sedan 4-Door · S Line Sedan 4-Door · Progressiv Sedan 4-Door · Premium Plus Sedan 4-Door · Select Convertible 2-Door +4 |
| Other 2020 A3 variants | A3 Quattro → |
| Federal record | 2 recalls · 18 complaints · 627 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2020 A3 manual






03 / ContentsSections in the manual
- Quick Lookups 98
- General Information 2,584
- Accessories & Equipment 4,093
- Heating, Ventilation & A/C (HVAC) 1,602
- Body & Frame 2,514
- Maintenance 308
- Brakes 444
- Restraints 444
- Drivelines & Axles 242
- Steering 174
- Differentials & Drive Axles 48
- Electrical 679
- Suspension 782
- Engine Mechanical 757
- Transmission 419
- Engine Performance 1,343
04 / Known issuesRecalls on federal record for the 2020 A3
- Air Bags — sensor › occupant classification › front passenger · 21V198000A deactivated passenger air bag increases the risk of injury during a crash.
- Fuel System, Gasoline · 24V110000A fuel leak in the presence of an ignition source increases the risk of a fire.
Owners have filed 18 complaints and Audi has issued 627 technical service bulletins for the 2020 A3. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2020 A3 manual
Is this manual specific to the 2020 A3?
Yes. It is the OEM manual matched to the 2020 model year, covering the 1.4L I4 and 2.0L I4 across the Select Sedan 4-Door, Premium Sedan 4-Door, S Line Sedan 4-Door, Progressiv Sedan 4-Door, Premium Plus Sedan 4-Door, Select Convertible 2-Door, Dynamic Sedan 4-Door, S Line Convertible 2-Door, Technik Sedan 4-Door, Komfort Sedan 4-Door trims. Specifications and procedure sequences are the ones Audi published for this year.
What 2020 A3 problems does it help with?
2 recalls are on federal record for the 2020 A3, covering air bags, fuel system, gasoline. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Audi dealers.
Does it include 2020 A3 wiring diagrams?
Yes — the complete wiring diagrams for the 2020 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $40.99 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 A3 years and 2020 Audi models
2024 A3 · 2023 A3 · 2022 A3 · 2019 A3 · 2018 A3 · 2017 A3 · 2016 A3 · 2015 A3 · 2014 A3 · all 26 years
2020 Audi A1 · 2020 Audi A3 Quattro · 2020 Audi A4 · 2020 Audi A4 Quattro · 2020 Audi A4 allroad · 2020 Audi A5 · 2020 Audi A5 Quattro · 2020 Audi A5 Sportback · 2020 Audi A6 · 2020 Audi A6 Quattro · 2020 Audi A6 allroad · 2020 Audi A7 Quattro · every 2020 model