the radio? Is it possible? I would rather hook that up then switching CD's.
whats needed and whats the cost? Or do they only do that for ipods?
You can go down to Radio shack and get one of those deals that plugs into the headphone jack and has a casette tape deal on the other end. Seems a lot cheaper and easier than wiring all that stuff in. Unless of course you don't have a tape player.
The Griffin Itrip works pretty nicely, it's an FM transmitter that connects to the headphone jack on your ipod. Or the normal FM modulators work okay. Depending on the car though there are probably better options.