How to get Kart & Swap Units
Inside the mines, you have to look for Terminal Logs
You will have to go through the mines different times, or go back to the lobby and reset the layout to roll new machines
On the 4th log, you will be able to claim the crafting recipe for a Kart
You can add the DIG (drill), HOV (flying), or BOX (storage) units and other accessories by jumping out of the Kart while inside and interacting with the front of the Kart
You can access the trunk of the Kart by interacting with the back of the Kart