Prior to purchasing any supplemental mapping for your Garmin device, please ensure compatibility. This can be done in one of three locations:
When purchasing Topo, Marine, US TrailMaps, or Rails-to-Trails mapping for a compatible automotive device, please be aware that this mapping may function with limited compatibility when viewing the map on the device.
Topo mapping will provide access to very basic information such as terrain contours, elevation information, trails, and rivers.1 Garmin Lakes (formerly Inland Lakes) and Upper Midwest Fishing Guide will provide access to basic shoreline and depth detail and limited points of interest. US TrailMaps and Rails-to-Trails mapping will provide access to the basic trail outline and/or limited Points of Interest.
There are certain elements of these mapping products that were designed for use on dedicated Outdoor and Marine GPS products that will not be displayed on a nuvi, LIVE, zumo, dezl, or StreetPilot device. If you would like to use these mapping products and experience the highest level of detail and functionality, it is recommended that they be used on a dedicated Outdoor or Marine GPS product.
In addition, when viewing this mapping on your device, please ensure that you have disabled your City Navigator mapping and changed your Map View from the default 3D view to either Track Up or North Up:
You will also want to change your Route Preference/Calculation Mode to Off Road to ensure that you can route to a location properly. To set the Off Road setting:
Your nuvi, LIVE, zumo, dezl, or StreetPilot is now ready for use with Topo, Marine, US TrailMaps, or Rails-to-Trails mapping. Please remember that many automotive devices are not waterproof and should be treated carefully when being used near water.
1 The nuvi 500 and 550 will not experience many of these limitations.