Most common 2012 Buick Lacrosse problems
Share of the 206 complaints; one complaint can involve more than one system. "~" is the median mileage when the problem started.
Buick Lacrosse complaints by model year
Best Lacrosse years: 2019, 2018, 2017. Years to avoid: 2007, 2008. Compare all years →
2012 Buick Lacrosse recalls (5)
Suspension › Rear
General Motors, LLC (GM) is recalling certain 2010-2013 Buick Lacrosse, 2012-2013 Buick Regal, and 2013 Chevrolet Malibu vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New…
Remedy: Dealers will replace the rear suspension toe links and adjuster fasteners, free of charge. Owner notification letters were mailed January 27, 2022.
Suspension › Rear
General Motors, LLC (GM) is recalling certain 2012-2013 Buick Regal, 2013 Chevrolet Malibu, and 2010-2013 Buick Lacrosse vehicles sold or ever registered in Connecticut, Delaware, the District of Columbia, Illinois, Indiana, Iowa, Kentucky, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New…
Remedy: GM will notify owners, and dealers will replace the rear suspension toe links and adjuster fasteners free of charge. Parts are not currently available.
Seats › Front assembly › Power adjust
General Motors LLC (GM) is recalling certain model year 2011-2012 Buick LaCrosse, Regal and Chevrolet Camaro, as well as certain 2010-2012 Cadillac SRX, Chevrolet Equinox and GMC Terrain vehicles, equipped with power height adjustable driver and passenger seats.
Remedy: GM will notify owners, and dealers will replace the height adjuster shoulder bolts, free of charge. The manufacturer distributed interim letters to owners on September 11, 2014. The recall began on December 26, 2014.
Electrical system
General Motors (GM) is recalling certain model year 2012 and 2013 Buick LaCrosse and Regal, and model year 2013 Chevrolet Malibu Eco vehicles equipped with eAssist. These vehicles may have a condition in which the Generator Control Module (GCM) may not function properly.
Remedy: GM will notify owners and dealers will test the GCM and replace it, as necessary, free of charge. The recall began on June 11, 2013. Owners may contact GM at 1-800-521-7300. GM's recall campaign number is 13136.
Electronic stability control (ESC)
GM is recalling certain model year 2012 Buick lacrosse passenger vehicles manufactured from June 9, 2011, through July 2, 2011, for failing to conform to the requirements of federal motor vehicle safety standard no.
Remedy: GM dealers will reprogram the electronic brake control module free of charge. The safety recall began on September 12, 2011. Owners May contact Buick at 1-866-608-8080.
NHTSA defect investigations
Federal safety investigators have looked into 2 possible defects involving the 2012 Buick Lacrosse:
Generator Control Module Fires
On July 5, 2013 the Office of Defects Investigation (ODI) opened Recall Query RQ13-003 to investigate whether the service procedures utilized in recall bulletins 13136 and 13142 for safety recall 13V-173 were sufficient to identify the safety defect in the subject vehicles.These safety recalls were issue on May 3, 2013 to address the improper function of the Generator Control Module (GCM) in certain model year (MY)…
Sands Chevrolet/Hybrid System Fire/Stall
NHTSA opened AQ14-001 to determine whether Sands Chevrolet of Surprise, Arizona complied with the requirements of the National Traffic and Motor Vehicle Safety Act, 49 U.S.C. Chapter 301 (Safety Act) and its implementing regulations.
What 2012 Buick Lacrosse owners say
Electrical system all 62 →
during a regular drive the check stabiltrack system message popped up on the dash in the middle circle and then the little car with the squiggly lines behind it popped up and the check engine light came on and started blinking. Immediately I noticed lack of steering control, the car's speed was accelerating and decelerating on its own, jerking and stalling also was observed. As of now the car sits in my driveway because I don't trust the safety of it. I literally feared my life was in danger driving it because of the lack of handling and the acceleration shifts that were so random. So I returned home, as I pulled into the yard the vehicle jerked hard while I was attempting turn into the driveway causing me to hit my mailbox and damaged the side fender and front bumper. no one was injured but the car was damaged as stated before and I'm scared to drive it anywhere. …
I was driving the LaCrosse in my neighborhood. A few minutes into the trip, I noticed a burning kind of smell. Then I saw smoke coming from the left side under the hood. I pulled over to the side of the road and exited the car to check, but the smoke quickly got worse and became flames. I then called 911.The police and fire department responded, and they were able to extinguish the fire. However, the front part of the car including the hood area and the passenger compartment was completely burned. It was a clear and mild summer day. And the car was travelling at relatively low speed on a local street, nothing unusual until the car suddenly started to smell, smoke, and burn. From the first burning smell to the car fire it took only a few minutes. …
Engine & cooling all 51 →
The contact owns a 2012 Buick Lacrosse. The contact stated that while driving at an undisclosed speed and making a turn, the vehicle shut off in the middle of the roadway and the vehicle failed to restart. A bystander advised the contact to press the alarm button twice to restart the vehicle. The contact followed the advice of the bystander, and the vehicle restarted. The vehicle was taken to Firestone, where an unknown diagnosis was made. The vehicle was towed to the dealer, where an unknown repair was performed; however, the failure reoccurred. The contact stated that the vehicle was towed to the dealer on several occasions. The dealer replaced the motor mounts, the engine oil, and other unknown parts; however, the failure persisted. The vehicle was taken back to the dealer; however, the vehicle was not repaired. The manufacturer was notified of the failure. …
The contact owns a 2012 Buick Lacrosse. The contact stated that while driving approximately 70 MPH, the vehicle stalled on several occasions. The stability trac and check engine warning lights were illuminated. The contact was able to restart the vehicle after several attempts. The vehicle was towed to the local dealer however, the mechanic was unable to duplicate the failure. The mechanic was unable to retrieve a fault code. The vehicle was taken to an independent mechanic who provided several unknown codes. The manufacturer was contacted but no further assistance was provided. The failure mileage was approximately 56,000. The contact has stated that due to the seriousness of the problems, that they no longer own the vehicle.
Suspension all 31 →
The contact owns a 2012 Buick LaCrosse. The contact received notification of NHTSA Campaign Number: 20V764000 (Suspension) however, the part to do the recall repair was not available. The contact stated that while driving 70 mph, the vehicle decelerated inadvertently almost to a complete stop. The vehicle was taken to the dealer and another dealer Wilkins Buick-GMC (6913 Ritchie Hwy, Glen Burnie, MD 21061) but there were no codes on the code reader. The dealers were unable to duplicate the failure after test driving the vehicle. The vehicle was not repaired and remained at Buick-GMC (6913 Ritchie Hwy, Glen Burnie, MD 21061). The manufacturer was made aware of the failure, but no assistance was provided. The failure mileage was 54,456.
The contact owns a 2012 Buick LaCrosse. The contact received a recall notification for NHTSA Campaign Number: 20V764000 (Suspension) however, the dealer informed the contact that the part for the recall repair was not yet available. The contact stated that the rear end of the vehicle seemed loosened whenever the vehicle hit a bump while driving at various speeds. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The dealer was notified of the failure and confirmed that the part was not yet available. The manufacturer was notified of the failure but did not provide any assistance. The approximate failure mileage was 152,000. Parts distribution disconnect.
2012 Buick Lacrosse engines & fuel economy
| Engine | Transmission | Drive | MPG city / hwy / combined |
|---|---|---|---|
| 2.4L 4-cyl hybrid | CVT | FWD | 24 / 35 / 28 |
| 3.6L 6-cyl | 6-speed automatic | FWD | 17 / 27 / 21 |
| 3.6L 6-cyl | 6-speed automatic | AWD | 16 / 26 / 20 |
EPA ratings. Class: Midsize car.
Frequently asked questions
Is the 2012 Buick Lacrosse a good car?
Based on 206 owner complaints filed with NHTSA, the 2012 Lacrosse rates average: 1.3× as many complaints as a typical year of the Lacrosse at the same age. Complaint counts don't account for sales volume or individual maintenance, so have any used car inspected before buying.
What is the most common problem with the 2012 Buick Lacrosse?
The electrical system — 62 complaints, 30% of all complaints for this model year, most often about wiring. Next are the engine & cooling (51) and suspension (31).
How many recalls does the 2012 Buick Lacrosse have?
There are 5 recalls for the 2012 Buick Lacrosse, the most recent from December 22, 2021 (rear). Recall repairs are free at any authorized dealer — check whether yours has been done with the VIN recall check.
What are the best and worst years of the Buick Lacrosse?
The best years by complaints, compared at the same age, are 2019, 2018 and 2017. Years to avoid or approach with caution: 2007 and 2008. See the full Buick Lacrosse years comparison.
At what mileage do 2012 Buick Lacrosse problems happen?
The median mileage reported in complaints is about 55,000 miles; 43% of problems with a recorded mileage started before 50,000 miles.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.