Some use cases for in-vehicle Bluetooth technology are in-vehicle relatively well-known and others will become more apparent as the popularity of in-vehicle wireless infotainment grows.
The most popular in-vehicle application for Bluetooth technology today is hands-free driving. In many states, Bluetooth not only solves safety issues associated with using mobile technology while in the in-vehicle, it also fulfills government mandates calling for hands-free driving. Another popular use case for the technology is audio streaming. By leveraging Bluetooth, consumers can stream in-vehicle songs from their smartphones and play music on their speakers, allowing them to transform their smartphone into a in-vehicle stereo.
refer to: http://embedded-computing.com/articles/wireless-accelerate-next-wave-in-vehicle-innovation/
