The suggested solution does not work Setting cog > turn START MUSIC AUTOMATICALLY off ... DOES NOT WORK Uninstalling > Reinstalling App ... DOES NOT WORK Easiest solution is to go into Android Auto > Customization ... then uncheck PANDORA as an AA App ... it will finally stop autostarting ... Pandora is still installed on your phone, if you want to play it via Andorid Auto, you'll need to go back into Customization, and re-enable the app ... View more