Continuing the discussion from Airplay, you piece of f*$*(NG S&#&#! :
I started to write all this in response then figured it was it's own topic... so here goes:
How well (or not) Bluetooth works is a common complaint I hear. What particular car or Bluetooth system are you using?
Personally, I've had almost no issues at all. My first Bluetooth head unit was a JVC one in the late 2000's so it's only ever had iPhones to deal with. It was cheap, there was a lot of road noise and people had a hard time hearing me although that was probably down to how cheap the unit was and where the mic was placed (also the car wasn't exactly quiet... )
Since then I've had a Pioneer AVIC in my Wifes car. This one has worked perfectly for both our iPhones since day one. The only real complaint is that you have to manually switch which device is connected to it. ie If it's set to my Wifes phone and I get in the car and drive away it will never connect to my phone unless I tell it to. Not a huge issue, but one worth mentioning. If it's only me (or her) driving it, it always connects and never drops out. There are a few little things about the interface, but the Bluetooth itself works fine. Audio quality for the other caller is just fine. Streaming music has also worked flawlessly with minimal controls available from the head unit (only skip and pause).
My car has the VW standard Bluetooth (9w7) controlled by the RNS510. To be honest, no one but me drives this car so I'm not sure if you have to manually switch connected devices (but I assume you do). I've had this car since 2011 through all the iPhones and again it's always just connected and worked, audio is fine for both telephone and streaming audio.
I've had a couple of difference Bluetooth headphones, these sometimes needed input (as in tap connect) from the iPhone side, but tended to connect automatically most of the time and always worked perfectly when connected. A similar story for the UE Boom speaker I have, the only complaint about this one is the range is pretty ordinary and it really doesn't like brick walls.
On transition between devices, I don't do this much at all. If anything it would be while getting into the car and my normal workflow is to turn the headphones while walking towards the car meaning there is no transition, just a new connection. Off the top of my head turning on the car caused the Bluetooth headphones to disconnect and the car to take over... but I could be wrong... it's been a little while as I'm back to using my corded headphones at the moment.
So! How do other people find Bluetooth? Is it the minority that complain loudly or is it a real problem and I'm just lucky to have had such good success?