This functionality is available on both the GMC Sierra EV and Chevrolet Silverado EV. GM EV Truck MidGateNow that you know what a MidGate is, I’ll whip through why GM’s execution is good. This must be removed to use the MidGate, and it’s very heavy and cumbersomeGM EV Truck MidGate TourThe best “how to use the MidGate” explainer video is here. This shows exactly how to use the system:GMC Sierra EV Multipro Midgate. Then the seatbacks fold down from the position in this picture That indentation is where the rear glass will live.