There are 2 stored owner reports matching the brakes leading-label group for the 2020 Infiniti QX50 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)I was going 70 miles an hour on a highway with no cars around me. When the car suddenly breaks and beeped. It was very dangerous. I was in the center lane of a 3 Lane Highway with no one around.
While driving vehicle, randomly vehicle brakes are applied on their own, causing vehicle to suddenly slow down in traffic. Red warning light appears on the dash. This has occurred 6-7 times over the past 2 years. 3 of the times occurred on the interstate, causing vehicle to drop speed from 60-40 within few seconds. The other 3-4 times have occurred while driving underneath a light rail walk way and an underpass. Most recent incident was 12/25/21 on interstate. I am concerned this will contribute to a car crashing into the rear of my car. I had vehicle checked by my dealer today 1/7/22, and they were unable to duplicate the issue. They have submitted a report to Infiniti. I was unable to upload the documentation from Mike Ward Infiniti
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.