I have a Garmin 660 in lower 48 in US. When I originally bought this unit,it came with 3 months free traffic. I have been trying to figure out how to make this work again ever since without sub. I have read and read and read some more,but no luck. On this unit,I cannot find those settings I need. On the initial screen , there is only the wrench and the speaker. When you click on the wrench,there is not the commands listed in this post to get where I need to be. I have downloaded the generator.Is there anyone here that might have a 660 that has done this willing to give me a few pointers? I am really new to this. I have loaded 2012 unlocked map into it with success. Thank you very much.