When you click the button on your dashboard, the system reads this executable file from an internal memory bank or an SD card. The file is responsible for:
The nngnavi.exe file acts as the brain of the iGO navigation engine. It loads the maps, processes GPS telemetry, calculates routes, and runs the user interface. Nngnavi.exe 2012 Download
Oh, wait, there's a possibility that "nngnavi" is an abbreviation. Perhaps it stands for "Neowiz Navigation" or something similar, but I'm not sure. Alternatively, it could be a typo or a misremembered name. Let me search for "Nngnavi.exe 2012 Download" to see what comes up. When you click the button on your dashboard,