Where is the door lock relay on a 2008 acadia?

In a 2008 GMC Acadia, the door lock relay is typically located in the under-hood fuse box. To access it, open the hood and find the fuse box on the driver’s side. The relay is usually labeled, and you can refer to the fuse box diagram on the cover for the exact position. If you're troubleshooting issues, you may want to check the relay and its connections for any signs of damage or corrosion.