The cones are set out because the lot needs repainted and I was standing on a newish parking structure, the end spaces will / are an aisle to drive in. Neat to see different vehicles converted. I did a Google search & looks to be a $23,000 conversion , other conversions open the door assembly up like gullwing doors. Those are available on Tahoes & Suburbans for about $29,000.
2013 video of one opening. Newer ones are about 8 seconds faster.