Please find below details that shows how to change the starting logo of the D610/N750/TC810 and Holden Commodore GPS Navigation
Click on settings ( see below )
Click on the Upload icon and system will request a password (see below)
Input password “00888888” (double zero, and six eight) or 11222222 (depending on the model you have)
This will show you a logo screen and you will be able to select any logo from the list provided. Once selected system will reboot and logo will be changed.
For more details about the units specifications and images please visit AutoGPS.com.au