Call crutchfield.com if you're planning on doing this yourself. They'll tell you what you need. I installed mine myself. All I needed was a wiring harness. It fit with the stock brackets and screws - which is typical of Toyota vehicles. Hopefully you'll be as lucky. I don't have steering wheel controls so I didn't have to worry about that. The wiring harness was missing the illumination wire but I used the included wiretap from the radio and illumination is working perfectly.
I installed the XM adapter and the radio myself and I was surprised at how easy it was. If you plan on usin
