: Open the official application provided by your vehicle manufacturer.

: The software will recognize the .zip file and "unpack" it correctly onto the USB drive in a format the car's head unit can read. 3. Safety and Verification

You should unzip this file manually using standard tools like WinZip or 7-Zip unless instructed by your vehicle's manual. Instead, follow these steps:

: If the Map Update Tool fails to recognize the file, the download may be corrupted. You will likely need to restart the download within the official app. 4. Installation in Vehicle Once the data is transferred to your USB: Start your vehicle (keep it running to avoid power loss). Plug the USB into the car's data port.