Thank you for viewing. Please read to the end before purchasing. The update method varies depending on the model. * Some models require a setup disc. Please note that you will not be able to update without it. This is a guide for shipping an update disc for one of the following compatible models. NSZT-ZA4T NSZT-Y64T NSZT-YA4T DSZT-YB4Y DSZT-YC4T NSZA-X64T NSZN-W64T NSZN-Z66T NSZT-Y66T NSZT-W66T DSZT-WA6T * Please select one model from this list and contact us to purchase. ■ Product Description ☆ If your map update expiration date is valid, updating the map with this disc will provide the latest map version. 2025/09/05 Tokai-Kanjo Expressway Motosu IC - Ono-Kobe IC 6.8km 2025/09/05 National Route 1 Rittō City Ono - Kamitoyama 1.4km 2025/08/22 Joban Expressway Iwaki-Onahama IC Opening If the first two digits are 13 or more and 20 or less XX-XXXX-7C70 If the first two digits are 21 or more XX-XXXX-7C70 The "Expiration Date" displayed on the "Map Update" screen is the map on-demand validity period. ☆ How to check the expiration date The "Expiration Date" displayed on the "Map Update" screen is the map on-demand validity period. * Please consider that you cannot update unless the basic map data on the navigation unit is within 2 years and the expiration date has not passed. If you purchase the latest SD map from a dealer, the update validity period will be extended for 2 years, and you will be able to use the nationwide map update disc again. Please check the instruction manual for the map update data update procedure. ☆ The navigation unit can only select "3 prefectures" at a time for updates, so you will need to repeat this several times to complete the update for all prefectures. ☆ In addition to map data, VICS traffic congestion display and other features will also be updated to the latest version simultaneously. ★ Items to be shipped ★ ☆ One or two CD-ROM discs will be shipped. Please select one model from the list above for your navigation model and purchase.