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What 34 owners told NHTSA about the 2017 Buick Lacrosse Eassist

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (34)Electrical system (11)Transmission & drivetrain (8)Engine (5)Suspension (4)Speed control (3)Airbags (2)Body & structure (1)Brakes (1)Electronic Stability Control (esc) (1)Fuel system (1)

1 of 34 complaints match · Fuel system · clear filters

Aug 24, 2021Fuel systemElectrical system

The contact owns a 2017 Buick LaCrosse. The contact stated that while at a stoplight the fuel-saving feature activated and the engine shut-off. After removing his foot from the brake pedal the STOP/START feature failed to activate. The contact used the Push to Start button and restarted the vehicle. The vehicle was taken to the local dealer who was unable to duplicate the failure. The failure persisted. The manufacturer was not notified of the failure. The approximate failure mileage was 45,000.

NHTSA ODI 11430318

Working with the data? Download all 34 complaints as CSV · fetched from NHTSA July 27, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2017 Buick Lacrosse Eassist verdict →