I'll have to check that out. I know that was NOT true of my 2014 Prius Plug In Advanced. Just checked the Toyota website:
Audio Streaming
The audio system enables users to
enjoy audio played on a Bluetooth®-compatible portable player or smartphone from the vehicle's speakers via wireless communication.
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Note: "Press" refers to a physical button on your phone or the multimedia system faceplate. "Touch" refers to a button, command or menu drawn on the display touch-screen.
- Press the AUDIO button on the faceplate
- Touch Source
- Touch Bluetooth® Audio icon (If a Bluetooth® audio device is not connected, connecting Bluetooth® audio screen will automatically appear. Click here to learn how to connect a Bluetooth® device.)
- If the Bluetooth®-capable audio device is paired and connected, audio will begin playing automatically
- Touch Select Device if no device is connected
- Select the Bluetooth® device to play from and then select Connect All or Connect as an Audio Player to start using that device
- Touch || to pause the track
- Touch > to resume playing the track
- Press and release the ∧ SEEK/∨ TRACK button to move forward or back to the next track
- Touch the speaker icon and Sound button to change the sound setup
Please let me know where you see all the music content (files, playlist, genre) from your phone on the car's display. You may be correct, but I haven't seen anything like that functionality (unless you are talking Android Auto and Apple CarPlay).