After more than 15 years covering everything Apple, it’s with a heavy heart we announce that we will no longer be publishing new content on iMore and the iMore forums will be closing as of November 1st, 2024.
I'd personally love to have this feature in the CarPlay Spotify app so I made a Spotify idea submission with a concept drawing here:
https://community.spotify.com/t5/Idea-Submissions/iOS-CarPlay-Add-Save-to-My-Library-Button-to-CarPlay-Now-Playing/idi-p/4416961
Doing a quick search of other...