Posts Tagged: Open Then Close Driver Window

Window drops down: Service Bulletin Fix

February 24, 2024

Window drops down and an “Open Then Close Driver Window” message on the dash: What it means GM has issued a service bulletin #21-NA-046 to address an issue where the window drops down about 1/4″ or more, causing wind noise. The window movement occurs when using the sound system in the vehicle and directly after a high volume/high bass event. The event may be followed by a dash warning message advising you to Open Then Close Driver Window. Vehicles affected by GM service bulletin #21-NA-046 2018-21 GMC Terrain & Chevrolet … Read More