Link the Nextar GPS and a personal computer by using the USB cable provided with the purchase. Make sure the device and computer are powered up.
Visit the NaviExtras website register the Nextar GPS with the site >>
https://nextar.naviextras.com/shop/portal/catalog and download and run Naviextras Toolbox >>
https://nextar.naviextras.com/shop/portal/downloads Proceed to follow the Map Update tutorial. NaviExtras will allow the user to store the updates on the computer until space is made on the GPS by deleting older files or countries or regions that are not used.
Please note that Naviextras supports the following devices only:Nextar Q4:
from serial #ML0909020001 onwards andfrom serial #YF0909123953 onwards
In case you have a Nextar Q4-06 device, please note that Naviextras supports the following devices only:
from serial #ML0909000001 onwards
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