Garmin © 2005 46 c550 Owner’s ManualAPPENDIXUpdating the c550 SoftwareIf you register your c550, you will receive notification of software and map updates. To register your c550,go to https://www.garmin.com/registration/selectreg.jsp.To update the c550 software:1. Connect the USB cable to your c550 and your computer. See the previous page.2. Go to http://www.garmin.com/products/sp550. Click Software Updates.3. Click Download next to the unit software.4. Read and agree to the terms. Click Download.5. Select Run (or Open). Your software is updated.You can also use WebUpdater to update your c550 software. Go to http://www.garmin.com/products/webupdater/ to learn about WebUpdater.Purchasing and Loading Additional MapSource MapsCheck http://www.garmin.com/unlock/update.jsp to see if an update for your map software is available.To find out the version of the maps that are loaded on your c550, open the Menu page. Touch > Map> Map Info. You can also purchase additional MapSource map data from Garmin and load the maps onyour c550’s internal memory or on an optional SD card.Follow the instructions that came with the new map data to properly install the maps to your computerand c550. In order to enable additional maps, you need your unit ID (see page 38) and serial number (seepage i). To load maps to your c550 memory or SD card, select the name for your “Garmin” drive or SD carddrive. Refer to the MapSource help file for more information about using MapSource and loading maps onyour Garmin GPS.