Good evening My name is Marcel i am new to the forums and i have a major issue . i live in south america where there is no audi dealers

Here is my problem i have a 2008 audi tt 2.0l turbo fsi

the car seem not to be getting power to nothing i cant put up the window
no dash lights car is not turning over
it is completely dead no horn lights nothing
i check the fuses and they all are ok

dont know what more to check

could anyone provide me with the wire diagram for the audi

 

anyone help please