Yeah, I saw that. Then I noticed in the forums, nobody, not even the guy from Long McArthur Ford, knows what it is. So I spent 'bout 5 hours on Google researching and that was the information I came up with. I could be wrong, in which case, I'll post an apology, but I don't think I am.
You sure ? The video I watched was from Ford, the strips over the lights are DRL, and come on all 3 trims. The ambient lighting is only available on the Lariat, which would make it a signature item. I believe they even called it "Signature Ambient Lighting". Since it was a Ford engineer, I think...