GMC has done something that looks like it belongs in a sci-fi film rather than a pickup truck brochure. On its flagship electric monster the GMC Hummer EV there’s a feature called CrabWalk . At first glance, it sounds like marketing hype. Then you see it in action. And it stops making sense in the best possible way. Follow Car Guru DIY Blog  Enjoying my DIY car content?  Buy me a coffee and help support future tutorials and projects: CarGuruDIY on Buy Me a Coffee Every coffee is greatly appreciated!  What is CrabWalk? CrabWalk is not just rear-wheel steering . It’s something more unusual: All four wheels steer in the same direction at low speed, allowing the vehicle to move diagonally. Instead of the front wheels turning left and the rear wheels turning slightly opposite (as in traditional rear steering systems), the Hummer EV can align all wheels so the truc...