In the video below, Scotty gives some pointers on exchanging the transmission fluid on a 2nd-Generation (Facelift) 2018-22 Toyota Sequoia using a Flo-Dynamics adapter.

Adapters used:

Toyota Tundra Inline Adapter Kit (P/N: 40100127)

Toyota Tundra Inline Adapter Only (P/N: 40201306)