I'm 862/1519 with a 5/16 build week. I was given a build date of 5/21a few weeks ago bit I'm not sure how accurate that was. My sticker was generate 5/10.
I just wanted to share my experience with Ford Chat. It is the way to go for updates on your Maverick. I received my Vin from them, a build date and an updated build date. All were more up to date then the emails from Ford. For example today I received an email from Ford that my build date had...