There are 4 owner-reported visibility & wipers complaints for the 2018 GMC Terrainin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The headliner fabric detached somehow from the panoramic track causing the fabric to hang down obstructing the rear and back window view causing a safety hazard. The automatic forward collision alert will come on for no reason since this has happened. The problem has not been reported to insurance or the manufacturer yet but GM is my next call. This is a safety hazard due to the obstruction of visibility to safely make turns or change lanes. This happened August 5th while driving with the windows up. It just dropped down still attached to the front of the track and the rear.
AT NIGHT WHILE STOPPED, AS YOU SHIFT THE CAR INTO REVERSE, THE REAR VIEW CAMERA DISPLAY IS BLINDING BRIGHT. ITS BRIGHT LIGHT IS BEING REFLECTED BY THE WINDOWS BACK INTO THE CAR, MAKING IT IMPOSSIBLE TO SEE OUT THE WINDOWS OF THE VEHICLE. WHILE OTHER CAR FUNCTIONS - RADIO, PHONE, AND NAVIGATION - WHICH ALL USE THE SAME DISPLAY SCREEN AS THE BACKUP CAMERA, DIM THEMSELVES FOR NIGHT USE, THE REAR VIEW CAMERA DISPLAY IS AS BRIGHT AT NIGHT AS IT IS DURING THE DAY, CAUSING THIS ISSUE. THIS IS A PERMANENT, REPEATABLE ISSUE.
TL* THE CONTACT OWNS A 2018 GMC TERRAIN. WHILE DRIVING AT NIGHT AND ATTEMPTING TO BACK INTO THE DRIVEWAY, THE BACK UP CAMERA WAS TOO BRIGHT AND WAS DIFFICULT TO SEE. THE CONTACT STATED THAT THE SIDE VIEW MIRRORS DID NOT HELP DUE TO THE TINTED WINDOWS. THE VEHICLE WAS TAKEN TO SCHEPEL BUICK GMC (219-472-1449, LOCATED AT 3209 LINCOLN HWY, MERRILLVILLE, IN 46410) WHERE THE TECHNICIAN CONFIRMED THAT IT WAS A SAFETY ISSUE, BUT STATED THAT THERE WAS NO REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND STATED THAT NOTHING COULD BE DONE. THE CONTACT WAS PROVIDED A CASE NUMBER. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 300. *TT*JB
TL* THE CONTACT OWNS A 2018 GMC TERRAIN. WHILE DRIVING AT 70 MPH, THE CONTACT HEARD AN EXPLOSION AND COASTED THE VEHICLE TO THE SIDE OF THE ROAD. THE CONTACT NOTICED THAT THE MOONROOF GLASS HAD SHATTERED. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO DIXIE BUICK GMC (AT 14565 S TAMIAMI TRAIL, FORT MYERS, FL 33912 AND WAS INFORMED THAT THEY COULD NOT LOCATE A FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 2,000. *TT THE CONSUMER STATED VEHICLE WAS FIXED BY STATE FARM INSURANCE COMPANY. *TR
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 26, 2026