So I said I would give the details of the installation.

As most of you are aware, there is no aux input for the Xterra, so I am using a FM modulator. I will be placing my iPod in the area for cellphones (the top little flip door on top of the center compartment between the driver and passenger seat). Power for the iPod will come from an 12 volt adapter from the 12 volt jack right below. The audio cables and firewire cable (supplies the power to the original iPod, which is what I have) will come through the slot designed for power cables for a cellphone. To control the iPod while it is in the compartment, I have modified the iPod remote and soldered new wires leading out of the remote to connect to possibly joystick from a PS2 remote (I'm still figuring out the best possible solution for this). The joystick's left and right movement will tell the iPod to skip backward and forward respectively. The up and down will control volume while the pushing in the joystick will play/pause the song. This will be mounted in one of the empty spots on the dash, so I have easy access while driving (I don't know what they are for, but there are two circular openings to the right of the 12 volt jack on the dash).

Instead of the joystick, I really would like the same thing which controls the powered side-view mirrors. I plan to call my Nissan Dealer and see if I can buy a "replacement" one. I will post pictures when I'm done.