Select Settings in the Main Menu, then select Language & Units.
On this screen, you can change the following settings:
You can see your currently selected language on this screen. Select this setting to change the language used for all buttons and messages that you see on your TomTom GO.
When you change the language setting, the voice automatically changes and units are set to automatic.
You can see your currently selected country on this screen. Select this setting to change the country. When you change the country, the time/date format, distance units and voice are changed automatically. The list includes the countries from the maps currently installed on your device.
Select this setting to choose from a list of available keyboards.
You use the keyboard to enter names and addresses, such as when you plan a route or search for the name of a town or a local restaurant.
Select this setting to choose the units used on your device for features such as route planning. If you want the units to be set to those used in your current location, select Automatic.
The time and date are automatically set by satellite clocks but you can change the format of both the time and date using these settings.