I recently bought a 2010 Subaru Outback, which has a "handsfree" voice calling feature that allows the car to connect to your device (in my case an iPhone) via bluetooth. However, once the device is connected by bluetooth, it works only for voice calls, and not to stream music, or for hands-free calls using WhatsApp. What's going on that creates this limitation? Is it something that can be changed by, say, updated the software? I know nothing about bluetooth, to be clear...
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My car doesn't have built-in Bluetooth. I have a hands-free Bluetooth device that attaches to the visor and works pretty well for phone calls. But the volume on audiobooks is much lower and hard to hear, even turned up as high as both devices will go. I tried looking for a few device and found similar feedback, so wondered if anyone has found one that works well both for calls and for audiobooks?