There are 1 stored owner reports matching the driver assist & adas leading-label group for the 2021 Buick Encore GX in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 1 of 1 matching reports.
Open the full vehicle complaint log (all categories)The contact owns a 2021 Buick Encore GX. The contact stated that while driving at an undisclosed speed, the Lane Departure warning light on the driver’s and passenger’s side sideview mirrors failed illuminate as designed. There were no warning lights illuminated. The vehicle was taken to the local dealer however, the mechanic was unable to determine the cause of the failure. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 22,000.
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.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.