Here's a recent announcement by Epic Games on their newly-announced "Unreal Engine" human-machine interface that will be powering the Hummer EV's digital cockpit displays. It's unknown as of yet what specific functions the HMI will perform, but it looks very promising, and will be exclusive to the Hummer when it is released.
Really cool! I like how GM is thinking outside the box and not just doing exactly what we'd expect, this being a perfect example. They keep saying this truck will exceed expectations, I'm really hoping it does!