I'm guessing its used for some of their in-car UIs - unreal engine has found a market (Rivian, Volvo, Ford...) for embedded automotive use now that so many cars display an interactive 3d model to the driver for things like tapping to unlock corresponding door or trunk etc etc.

> https://www.unrealengine.com/en-US/uses/hmi

Yes, that Toyota. Looks like it came out of this group. https://www.toyotaconnected.com/about

https://en.wikipedia.org/wiki/Toyota_Connected_North_America

it'actually Toyota Connected North America, Toyota Motor Corporation's subsidiary founded in collaboration with Microsoft for working on in-vehicle software, AI, and related tech initiatives.

Yes. Had to look it up, but apparently it was developed by TCNA (Toyota Connected North America) which does car software and such.

They needed a GUI toolkit for dash display, and didn't really like long engine init time of Unreal/Unity/Godot.