Read our tutorials on using Easy GPS and Expert GPS to calculate area.Geotag your photos so everyone can see exactly where you took them.4) Disconnect your nuvi and put the SD card in your computer's card reader. The SD card will be recognized as your nuvi 5) Proceed with the map update using Map Updater as normal. Look at Map Info to make sure the correct maps are enabled. (For those who remember, I have turned off all the IPS blocks in the router....) I did a screen capture of alandb's post and printed it out for the Manual I've Created...When it is finished, you will have the 3 map files in the \Garmin folder of the SD card. Garmin website DOES SEE the 4GB card with the file in the /Garmin directory of the SD card as my Nuvi 660! Maps are not out yet, though, according to the Site... I'll definitely Post what happens when the maps come out!!!Here are some of our favorite tips to get the most out of your Garmin nüvi 660 GPS with Easy GPS and Expert GPS, our full-featured mapping software: If you're a geocacher, Easy GPS lets you download geocaching GPX and LOC files directly to your Garmin nüvi 660.Easy GPS calculates the area of any Garmin GPS track or route, making it a perfect tool for calculating acreage on your farm, ranch, or business.Easy GPS automatically geotags photos from any digital camera, allowing you to map them on and in Google Earth. Easy GPS converts between lat/lon, UTM, MGRS, and hundreds of national grid coordinate formats.Just one click converts all of your Garmin data between any format or datum (WGS84, NAD27, NAD83, and dozens more).
Expert GPS makes it easy to transfer waypoints, routes, and tracks, as well as GPS, GIS, and CAD data, to and from your Garmin nüvi 660.Of course they are not perfect , but they are for free, and you can get updates that are not found on official maps.A similar website were you can get free Garmin maps is Cloudmade .I believe it is not an "automatic" procedure as in newer units..... And since your nuvi 660 isn't among the auto-updatables, follow this from the above link: If your device is not listed above, please select the appropriate link below for steps on how to load maps to an SD card: Onetime Map Update: https://support.garmin.com/support/search Support/case.faces?Could someone who knows steps explain them one more time so I can be certain of the steps so that I don't make mistakes when attempting to do it for this upcoming Map Update... https://support.garmin.com/support/search Support/case.faces? case Id= Lifetime Map Update: https://support.garmin.com/support/search Support/case.faces?