The service and repair manual for the 2015 Buick LaCrosse — 3.6L V6 and 2.4L I4 engines, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Buick published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2015 |
|---|---|
| Engines | 3.6L V6 — 217 cu in, DOHC 2.4L I4 — 145 cu in, DOHC |
| Trims | Premium Sedan 4-Door · Base Sedan 4-Door · Leather Sedan 4-Door |
| Federal record | 3 recalls · 54 complaints · 683 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2015 LaCrosse manual
03 / ContentsSections in the manual
- Quick Lookups 792
- General Information 2,047
- Accessories & Equipment 6,423
- Heating, Ventilation & A/C (HVAC) 270
- Body & Frame 1,803
- Brakes 815
- Restraints 306
- Drivelines & Axles 179
- Steering 616
- Electrical 4,424
- Suspension 306
- Engine Mechanical 940
- Transmission 856
- Engine Performance 3,940
- First Pass - 111
- Second Pass - Loosen 45
- Final Pass - 184
04 / Known issuesRecalls on federal record for the 2015 LaCrosse
- Air Bags — side/window · 15V666000In the event of a crash necessitating deployment of one or both of the side impact air bags, the air.
- Air Bags — frontal · 17V437000A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessi.
- Air Bags — frontal · 16V651000A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessi.
Owners have filed 54 complaints and Buick has issued 683 technical service bulletins for the 2015 LaCrosse. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2015 LaCrosse manual
Is this manual specific to the 2015 LaCrosse?
Yes. It is the OEM manual matched to the 2015 model year, covering the 3.6L V6 and 2.4L I4 across the Premium Sedan 4-Door, Base Sedan 4-Door, Leather Sedan 4-Door trims. Specifications and procedure sequences are the ones Buick published for this year.
What 2015 LaCrosse problems does it help with?
3 recalls are on federal record for the 2015 LaCrosse, covering air bags. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Buick dealers.
Does it include 2015 LaCrosse wiring diagrams?
Yes — the complete wiring diagrams for the 2015 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 LaCrosse years and 2015 Buick models
2019 LaCrosse · 2018 LaCrosse · 2017 LaCrosse · 2016 LaCrosse · 2014 LaCrosse · 2013 LaCrosse · 2012 LaCrosse · 2011 LaCrosse · 2010 LaCrosse · 2009 LaCrosse · all 15 years
2015 Buick Enclave · 2015 Buick Encore · 2015 Buick Regal · 2015 Buick Verano · every 2015 model