in jaguar s-type, x-type and xj mmm1 navigation system was installed. to enter hidden service menu press and hold phone and menu buttons.
after few seconds you’ll be asked to enter pin code in order to access service mode. code is 1971. in hidden menu you can check dtc codes of the navigation system, check lcd screen, adjust brightness and contrast,
Android TV tuner, check gps signal and coordinates, check tv tuner and make changes in hardware configuration file.
