that seems mighty expensive.
where exactly in canada do you live?
Sunroof wire in the fuse box.
There should be a purple wire off of the deck if i'm not wrong that you can tap into. That should give you what you want.
Just get the pac interface, way cheaper and those are plug and play I beleive.
Edit, here's the link
Pac-Audio.com Product Details | iPod Integration for your car and More by Pac-Audio - Connecting you to the future