All 4 windows in the vehicle go down when the driver and key fob are no where near the car. Only 1 time has this happened while the driver and key fob have been in the car and the driver was not touching the fob. In this case the driver put up the windows, opened the door, during which the windows went back down. All other instances the windows went down in various locations with no commonality…
2017 Buick LaCrosse electrical problems
moderate 8 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 8 electrical complaints filed for the 2017 Buick LaCrosse, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Electrical accounts for 24% of all owner complaints filed against this vehicle, across 3 categories tracked.
No new NHTSA electrical complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
What owners are reporting 3 most recent
The amplifier stopped working and all the sound comes through the amp including but not limited to seatbelt, door ajar, rear seat reminder, blinkers, back up sounds, and any and all sounds that the car my make for any safety features, onstar features, radio, Bluetooth, the list goes on.
At a full stop, the engine auto stop shuts the entire vehicle down. Vehicle must be re-started and all features like radio, clock etc. Return to the factory settings as if the battery had been disconnected. Once this happens, I've notice the engine auto stop does not work for an extended period of time. The vehicle is a 2017 model with only 17,000 miles. At 9,000 miles the water pump had to…
Common questions
How serious is the electrical problem on the 2017 Buick LaCrosse?
It's a documented issue but not catastrophic. 8 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 8 complaints filed, electrical issues most often appear around 9,590 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.