I am currently looking into this for my Levorg. The service book states a transmission fluid change at 40k and 80k but I am assuming it's never been done (now on 82k).
I have got a price from a couple of dealers and for the CVT fluid alone it is £420 as you have to buy a 20L drum of the stuff!
I got an email reply from one dealer quoting £667 for the change and I spoke to another on the phone who said it is not a service they do very often (I guess they have maybe never done it). I don't understand why it is not a common thing if my service book lists those replacement intervals!
I would do it myself but having to buy a £420 drum of the stuff is really putting me off. Anyone in NE Scotland want to go halfers?!