Originally Posted by onehundred80
I think that you would insert the disk that is applicable to your area.
After leaving the system on and it has located enough satellite signals and shows "GPS OK" in the top right hand corner of the screen, it will tell you to load the CD, finish all the settings and as you drive it will figure itself out.
You know you are in trouble when the nav unit asks you for directions.
From what I read only Disc #1 (east) has the setup..