2015 Buick Lacrosse: Recalls, Problems & MPG
Here are the deets on the 2015 Buick Lacrosse: 3 recalls, 44 owner complaints and up to 21 mpg combined.
Recalls
3 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.
Airbags Vehicle recall #15V666000 · 2015 · 395 vehicles
What's wrong: The affected vehicles have front seat-mounted side impact air bags whose inflator May rupture upon its deployment.
Why it matters: In the event of a crash necessitating deployment of one or both of the side impact air bags, the air bag's inflator May rupture and the air bag May not properly inflate. The rupture could cause metal fragments to strike the vehicle occupants, potentially resulting in serious injury or death.…
The fix: Gm will notify owners, and dealers will replace the side impact air bag modules, free of charge. The recall began on October 19, 2015.
Seat belts, Airbags Vehicle recall #16V651000 · 2016 · 3,640,162 vehicles
What's wrong: In the affected vehicles, certain driving conditions May cause the air bag sensing and diagnostic module (sdm) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the event of a crash.
Why it matters: A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.
The fix: Gm will notify owners, and dealers will reflash the sdm software. Vehicles that have had a previous air bag deployment will have the sdm replaced. These repairs will be performed free of charge. The recall began on October 13, 2016.
Seat belts, Airbags Vehicle recall #17V437000 · 2017 · 40,683 vehicles
What's wrong: While being previously remedied for recall 16v-651, the affected vehicles May not have received the complete software update necessary to remedy the recall condition. Without the update, certain driving conditions May cause the air bag sensing and diagnostic module (sdm) software to activate a diagnostic test. During this test, deployment of the frontal air bags and the seat belt pretensioners would not occur in the…
Why it matters: A failure of the front air bags or seat belt pretensioners to deploy in the event of a crash necessitating deployment increases the risk of injury to the driver and front passenger.
The fix: Gm will notify owners, and dealers will reflash the sdm software. Vehicles that have had a previous air bag deployment will have the sdm replaced. These repairs will be performed free of charge. The recall began on August 4, 2017.
Most-reported problems
Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 4 injuries and 0 deaths were reported.
What owners describe
- Steering (12): the most common themes are steering problems (11).
- Electrical (9): the most common themes are stalls / loses power (6), electrical failure (3).
- Airbags (7): the most common themes are fails to deploy (3).
- Brakes (4): no single recurring theme in the descriptions.
The 2015 Buick Lacrosse has 44 owner complaints, ranking #12 of 15 Lacrosse model years for complaints (well below the 141 average). Complaints peaked in 2018 (8 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 25,000 miles. Neighboring years: 2014 (63 complaints, 5 recalls), 2016 (48 complaints, 2 recalls).
Engines & fuel economy (EPA)
| Engine | Transmission | Drive | City | Hwy | Comb. | Fuel |
|---|---|---|---|---|---|---|
| 3.6 L 6-cyl | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 21 | Regular |
| 3.6 L 6-cyl | Automatic (S6) | Front-Wheel Drive | 18 | 28 | 21 | Gasoline or E85 |
Want the full repair deets? Get the factory manual.
Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2015 Buick Lacrosse.
Closest thing to the factory manual for most years. Pay once, keep it.
Most $25–$78, one-timePro-shop repair procedures, wiring diagrams and TSBs for your exact car.
From $19.99/mo · $39.99/yrOEM procedures, specs and recall/TSB info, the same source many shops use.
From $19.99/mo · $59.99/yrStep-by-step photos written from a real teardown. Great for first-timers.
Books ~$30–$40 · AllAccess $34.99/moHeads up: we may earn a commission if you buy through these links, at no extra cost to you. Prices checked 2026-10 and can change. We never host or link to pirated manuals. Disclosure
FAQ
Does the 2015 Buick Lacrosse have any recalls?
Yes. NHTSA lists 3 vehicle recalls for the 2015 Buick Lacrosse. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.
What are the most common 2015 Buick Lacrosse problems?
Owners have filed 44 complaints with NHTSA. The most-reported areas are steering (12), electrical (9), airbags (7).
What gas mileage does the 2015 Buick Lacrosse get?
EPA ratings run up to 21 mpg combined (3.6 L, Automatic (S6)), across 2 engine and transmission combos.
Where can I get a 2015 Buick Lacrosse repair manual?
eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.