Programming Computer Ls 430

[Captain]

Hello Evry one,

I would like to know how I can programming computer Lexus LS430.

That mean I want modify on default programme.

Just I need next:-

1- how I can connect with programme computer.

2- what is language used in this programme.

3- what is name machie and software who I can work on.

Please Really I need Help for this thread.

Thanks and Good Luck