How to play music from my iphone in my 2007 car?

How to play music from my iphone in my 2007 car? - 1

Auxiliary cable; If your car doesn't have an Aux port then get a Cassette deck adapter and if your car doesn't have a cassette tape player get an FM transmitter. You can get a decent one for about $40 and you plug your phone into it and it plays through your radio.

You can get a new head unit that supports usb/aux cables