I don't have a BT car but I do use my BlueAnt headset every day and I don't seem to have anything similar across Roms. I'd try paired to a headset and pair a different phone to the car to try to troubleshoot it.So I've found the Bluetooth-freezing bug exists here as well.
I can't seem to escape it, though I'm not too interested in testing on a pure Stock ROM so I'm not sure if it's a device bug or Bionic bug.
I'm curious cause this bug follows me on AOSP ROMs as well as stock-based ROMs.
The bug/freeze happens randomly while using Bluetooth paired to my car radio. It may not happen during a days use, but I've found it tends to happen after about 4 songs sometimes (20~25 mins). The device freezes and will reboot after about 2 minutes, then all its fine (on AOSP ROMs I'd have to disable then re-enable the Bluetooth service, not just the toggle).
It seems to happen less often on this ROM, so I'm a bit of a happy user. Just wish I knew what the crap is going on here..
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