I'd assumed that myself.It only works on vehicles on the correct software. Many of the ones lacking the feature aren't. Seat/Cupra haven't yet released the update to bring all of the older units upto date
This isn't current doable on most vehicles. Only vehicles build from mid November 2021 have the correct software for wireless android auto
We really need a table that shows software release against what you can do. I know fully equipped people with VCDS / Obdeleven are waiting for a release. If they could they would.
Hands up for someone to write a resource on this. I don't have mib3. It just needs a simple Excel type of table with release marked as what can be done or not. Then we just refer to it.