Windshield problems of the 2015 GMC Terrain

The contact owns a 2015 GMC Terrain. While the vehicle was stationary and while driving various speeds at night, half of the windshield was black when the low beam headlights were engaged. The contact could only see 30 feet ahead when the headlights were engaged. Jeff drennen Chevrolet Buick GMC Cadillac in zanesville, ohio was made aware of the failure and adjusted the headlights, but the failure recurred. The manufacturer was made aware of the issue. The failure mileage was 25,000.