Tesla has those options here (which I found quickly by googling "tesla lease end options".
Although it can be costly, early lease termination is allowed if you have at least one lease payment remaining. There may be a few options for early lease termination for your Tesla vehicle.
www.tesla.com
Note that TMC only allows people to advertise their cars for sale , lease option, etc in a specific forum for that purpose:
Place to post For sale, Wanted, and For trade listings for used Tesla vehicles
teslamotorsclub.com
Since this post is "what is the process" not "how much should I / Can I get, anyone want to take it over" your post can likely stay here instead of being moved there, as long as the thread doesnt go in that direction.