There are 1 stored owner reports matching the speed control & cruise leading-label group for the 2018 GMC Terrain 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)TL* THE CONTACT OWNS A 2018 GMC TERRAIN. THE CONTACT STATED THAT WHILE PULLING INTO A BUILDING PARKING WHILE DEPRESSING THE BRAKE PEDAL, THE VEHICLE ACCELERATED, THE CONTACT TURNED THE STEERING WHEEL AND MISSED HITTING THE BUILDING. THE CONTACT STATED THAT SHE WAS NOT ABLE TO CONTROL THE VEHICLE WHILE DEPRESSING THE BRAKE PEDAL, AS A RESULT, THE CONTACT CRASHED INTO A POST. IN ADDITION, THE CONTACT STATED THAT SHE SHIFTED INTO PARK, THE VEHICLE CONTINUE TO ROLLED. THE CONTACT ENGAGED THE EMERGENCY BRAKE AND THE VEHICLE CAME TO A STOP. THE CONTACT STATED THAT SHE DID NOT NOTICED ANY WARNING LIGHTS ILLUMINATED BECAUSE THE FAILURE OCCURRED FAST. THE CONTACT DID NOT SUSTAINED INJURIES. A POLICE REPORT WAS FILED. THE VEHICLE WAS TOWED TO DON MOORE CHEVROLET BUICK GMC, 3232 VILLA POINT, OWENSBORO, KY 42303 (270) 215-1953, BUT WAS NOT YET DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND PROVIDED A CASE NUMBER. THE FAILURE MILEAGE WAS APPROXIMATELY 15,000. THE VIN WAS NOT AVAILABLE.
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.