In fact, the G37 actually doesn’t even have a USB port. As such, you won’t be able to access your phone’s audio library unless you bring your own device to connect your phone to your car.
The easiest way to do this is via a small device that plugs into your car outlet and turns your phone’s signal into a radio wave. This will allow you to tune into a certain station on your car and use that station to play your music, podcasts, or whatever else you like to listen to.