When the GMC Hummer EV Edition 1 originally debuted, we were given a rundown of the truck’s long list of party tricks. Features such as Watts To Freedom (WTF) Mode, Crabwalk Mode, 4-Wheel-Steer, and removable panels among them. There was also the promise of Extract Mode, which lifts the 9,000-pound vehicle to further improve its off-road capabilities. However, for various reason, Extract Mode was not available to Hummer EV customers at launch. Today, that’s changed. Available as an OTA update that downloads directly to the vehicle, Extract Mode lifts the Adaptive Air Suspension to raise the ve…