Question:

 How do I use the Music Share feature?

Answer:

 1. Turn on Bluetooth on your smartphone and connect it to the Bluetooth car stereo.

2. Swipe down on your smartphone's notification panel and turn on Music Share.

3. On your friend's smartphone, swipe down on their notification panel and turn on Bluetooth.

4. Have them select your Bluetooth car stereo from the list of available devices.

5. Approve the connection request on your smartphone.

6. Now, when your friend plays a music file, it will play through your Bluetooth car stereo.