The Garmin cartography department is constantly working to improve the quality of their maps and to update them when conditions on the ground change. And some models can also upload the exact satellite view of the land like you see on Google Earth. In order to know how to update the Garmin maps, you already have which is most important to navigating cities, towns, and highways, check out the great article which already covered those basics.
How to Update Garmin Maps is a handy guide which will give you detailed instructions about how to connect your Garmin GPS to your computer in order to access Garmin's website to download maps and check for updates to the maps you already have. When connected, the GPS unit and the Garmin website know everything about each other and interact like old friends having a conversation that goes something like this; "do you have this", "no", "oh you need this, take it, here you go." The final article in this series will provide you with additional information about adding maps to your Garmin GPS.
Anoter great article on our site is Where to Find Free Maps for GPS - Garmin, TomTom and Others. This is an excellent trove of information guiding you to free maps that are a hybrid of aerial photography and topographic maps. You will also find directions in this article on how to get free maps for U.S. National Parks like Yosemite and the Grand Canyon that are loaded with visual images, audio, and POIs. Be sure and check out what's available free before you pay for something unnecessarily. The second article in the series I’ve written for you right here will contain an additional, comprehensive reference regarding downloading free maps exclusively for Garmin devices.
Find out what you need to know about Garmin MapSource for all your mapping needs in the next article in this series by clicking the link below.