Nothing yet that I've seen on the Maverick, but sister site has unlocked drive modes on the Bronco
When mine finally shows up I plan to do something similar with a 2x10 to divide the back slot and the tailgate. Not sure on what coating I will put on there yet myself but something water resistant and possibly rubberized if it exists.
You'll want to talk with the dealer and get the order number from them. You can even ask for a screen cap from their system that will show VIN and order number. From there you can check with the VIN and order number at this link
Here is a blurb from a recent AAA report:
Regardless of whether your car calls for regular or premium, the best choice for ongoing performance and economy is a TOP TIER gasoline. Recent AAA testing found TOP TIER gasolines keep internal engine components up to 19...