Step 4. Update the downloaded Map from SD card into your Head Unit.
4.1) Insert the SD card into the Head Unit slot and turn the power ON.
4.2)
Synctool
screen will show up automatically after a few seconds. Press the button "Copy updates
to your device".
4.3) Press "Yes" to initialize the update process.
4.4) Press "Ok" when "Update or Backup successfully completed without errors" message appears. It
will display the progress and file names being copied during the update. Make sure your engine is
running during the update to avoid battery drain as it may take about 20min.