I recently got a used 2016 Toyota Prius C. This is the first car I've driven that has built-in bluetooth audio, and I've gotten that working just fine, but everything I play just shows the generic "Other/misc" image instead of the cover art. I tried checking and unchecking the "show cover art" option in the settings, but that didn't help. I know for a fact that the cover art exists; I went out of my way to add ID3 cover art to the ones that lack it, even. How can I get this cover art to be recognised by the car stereo?
If it's not possible, no big deal (it's far from an important issue), but I'd like to know what makes it impossible, too.