There are 2 stored owner reports matching the driver assist & adas leading-label group for the 2017 Lexus 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 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)TL* THE CONTACT OWNS A 2017 LEXUS GX460. THE CONTACT STATED THAT THE CRUISE CONTROL FAILED TO OPERATE CORRECTLY. WHILE DRIVING WITH THE CRUISE CONTROL SET AT 65 MPH, THE AUTOMATIC EMERGENCY BRAKING SYSTEM ENGAGED INDEPENDENTLY AND BROUGHT THE VEHICLE TO A SUDDEN STOP. THE FAILURE WAS EXPERIENCED ON NUMEROUS OCCASIONS. THE CONTACT STATED THAT ON ONE OCCASION THE CONTACT AVOIDED A NEAR COLLISION WITH A SEMI TRUCK. THE CONTACT ALSO STATED THAT ON SEVERAL OCCASIONS WHILE DRIVING WITH THE CRUISE CONTROL ACTIVATED, WITH A VEHICLE IN THE RIGHT LANE, THE EMERGENCY AUTOMATIC BRAKING SYSTEM ACTIVATED. THE VEHICLE WAS TAKEN TO SHEEHY LEXUS OF ANNAPOLIS (121 FERGUSON RD, ANNAPOLIS, MD 21409, (410) 266-3330) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE ISSUE WAS A KNOWN ISSUE HOWEVER, THERE WAS NO AVAILABLE FIX FOR THE ISSUE. THE DEALER REPLACED THE BRAKES WHICH FAILED TO FIX THE ISSUE. THE VEHICLE WAS NOT YET REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 54,000.
The contact owns a 2017 Lexus GX460. The contact stated that while driving at various speeds, the braking system erroneously activated causing the vehicle to abruptly stop in the middle of the roadway. The contact stated that the failure had occurred on many occasions, but only occurred at the same location each time at on BWI Parkway, Rt. 195, ext. 22, located in Baltimore, MD. The cause of the failure was not yet determined. The local dealer was notified of the failure, but no assistance was provided. The manufacturer was not contacted. The failure mileage was 50,000.
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: Aug 30, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.