Originally Posted by SlaveUnit
If you take the USB to mirco USB cable provided with the charger and plug it into a car deck with a USB input the phone will charge and be treated the same as using a thumb drive. The micrsd card mounts and then you can control the music from your deck. I tried this last week in my car. But I think that is the only way it'll work.
Yeah, you can ACCESS files from the SD card using mass storage, but you can't actually send audio data through the micro USB. Not now, at least. Who knows though.