I bought the Z120 last year, and didn't pay much attention to Aha Radio or the traffic tuner?

I thought the Z130 had a built in traffic tuner. If I upgrade my software from the Z120 to the Z130, what else will I need (if even possible) to receive real time traffic data? I didn't think the Z120 had the same hardware as the Z130?

Also, Can I use Google Maps Navigation software with the Aha Radio?

?????