The New Toyota Sienna Entertainment System is a little hard to figure out. Here is a quick video walk through to how we use ours with my kids phones.

Links to what we use for an iPhone or iPad.
HDMI to Lighting adapter - https://a.co/d/8nUGhF7
HMDI Cord - https://a.co/d/1RillRJ
Or All in one - https://a.co/d/e4gChlq