Here are your options:
you can either get the ipod cable by nissan:
http://www.clubfrontier.org/forums/f24/factory-ipod-kit-29425/
or you can get the aux input adapter (cheaper, and it's what I have):
http://www.clubfrontier.org/forums/f24/aux-input-nissan-41903/
You will still be able to use your radio, but you won't use the satellite radio. You can get an ipod cable that works with a satellite radio if you want though.
you can either get the ipod cable by nissan:
http://www.clubfrontier.org/forums/f24/factory-ipod-kit-29425/
or you can get the aux input adapter (cheaper, and it's what I have):
http://www.clubfrontier.org/forums/f24/aux-input-nissan-41903/
You will still be able to use your radio, but you won't use the satellite radio. You can get an ipod cable that works with a satellite radio if you want though.