There are 1 owner-reported brakes complaints for the 2018 Buick LaCrossein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The contact owns a 2018 Buick Lacrosse. The contact stated while driving at an undisclosed speed, the vehicle hesitated to accelerate while the accelerator pedal was depressed. The contact pulled over and checked underneath the vehicle. The contact discovered that the START/STOP accumulator endcap bolt had detached, causing transmission fluid to leak onto the ground. The vehicle was towed to the residence. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The contact stated that in 2021, he detected an abnormal fuel odor coming through the air vents while driving. The brake pedal also stuck while depressed, and the rear brake pads needed to be replaced frequently. The contact stated that the vehicle was taken to an unknown dealer in 2021 for the fuel odor, and an unknown fuel system part was replaced. The contact related the failures to NHTSA Campaign Numbers: 20V668000 (Power Train), 18V358000 (Fuel System, Gasoline), and 18V576000 (Service Brakes, Hydraulic); however, the VIN was not included in the recalls. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was 161,188.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026