The service and repair manual for the 2018 Acura RLX — the 3.5L V6 engine, 2 trims. Matched to this exact model year, so the specifications and sequences are the ones Acura published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2018 |
|---|---|
| Engines | 3.5L V6 — 212 cu in, SOHC |
| Trims | Base Sedan 4-Door · Sport Hybrid SH-AWD Sedan 4-Door |
| Federal record | 1 recall · 6 complaints · 11 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2018 RLX manual






03 / ContentsSections in the manual
- Quick Lookups 121
- General Information 1,759
- Accessories & Equipment 4,061
- Heating, Ventilation & A/C (HVAC) 237
- Body & Frame 878
- Maintenance 43
- Brakes 861
- Restraints 463
- Drivelines & Axles 24
- Steering 237
- Electrical 472
- Suspension 449
- Engine Mechanical 771
- Transmission 1,869
- Engine Performance 2,249
- Front 328
- Rear 245
04 / Known issuesRecalls on federal record for the 2018 RLX
- 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 6 complaints and Acura has issued 11 technical service bulletins for the 2018 RLX. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2018 RLX manual
Is this manual specific to the 2018 RLX?
Yes. It is the OEM manual matched to the 2018 model year, covering the 3.5L V6 across the Base Sedan 4-Door, Sport Hybrid SH-AWD Sedan 4-Door trims. Specifications and procedure sequences are the ones Acura published for this year.
What 2018 RLX problems does it help with?
1 recall is on federal record for the 2018 RLX, 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 Acura dealers.
Does it include 2018 RLX 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 RLX years and 2018 Acura models
2020 RLX · 2019 RLX · 2017 RLX · 2016 RLX · 2015 RLX · 2014 RLX · all 7 years
2018 Acura ILX · 2018 Acura Integra · 2018 Acura MDX · 2018 Acura NSX · 2018 Acura RDX · 2018 Acura TLX · 2018 Acura ZDX · every 2018 model