To update the maps on the NSZT-W60 SD card:

Example: For a North American map update distributed as a compressed archive: format a 16 GB SDHC FAT32, extract archive root files to the card, insert into NSZT‑W60 while ignition is ON, and follow prompts. Do not power off until update completes.

: Open the faceplate (press and hold the "Open" button for about 10 seconds if it's stuck) and insert the card into the dedicated