24 GPS Navigation System Instruction ManualAppendixThis appendix provides additional information about your navigation system, such as how to update thesoftware and map data.Updating the SoftwareTo update the navigation system software, youmust have either a Secure Digital (SD™) card,an SD card reader, and an Internet connectionor a writable DVD, DVD drive, and an Internetconnection.⁄• The SD card update option is only available on theDNX9140.⁄• The unit may restart when you insert an SD card.To update the navigation software:1 Go to www.garmin.com/Kenwood. SelectSoftware Updates > Download.2 Read and accept the terms of the SoftwareLicense Agreement.3 Follow the instructions on the Web site tocomplete the installation of the updatesoftware.Updating the Map DataThe navigation system will provide periodicnotification at startup when the preloaded mapsare considered out of date. You can purchasean SD card or DVD of updated map data fromGarmin, or ask your Kenwood dealer or Kenwoodservice center for details.Updating the Map Data with an SD Card(DNX9140)1 Go to www.garmin.com/Kenwood. SelectOrder Map Updates, and then follow theWeb site checkout procedure.2 After you receive your new map data SDcard, insert the card into your unit to usethe maps. The navigation system willautomatically recognize and use the mapson the SD card.⁄• The unit may restart when you insert an SD card.Updating the Map Data with a DVD1 Go to www.garmin.com/Kenwood. SelectOrder Map Updates, and then follow theWeb site checkout procedure.2 After you receive your new map data DVD,follow the instructions provided with theDVD to install the new map data in yourunit.