What do I need to do to install a Pioneer AVIC-F700BT in 2006 Audi A3?

I want EVERYTHING to work, including the steering wheel controls. I also want the Backup camera to work as well with the illumination.What do I need to do to install a Pioneer AVIC-F700BT in 2006 Audi A3?goodluck. audis faceplates and such are clips...becareful you dont break any...if i were you. give it to experts