Hello again!
Thank you for reply! Yes, that is separate receiver connected to VW radio.
Navi program starts from card, to secure I have did copy of original soft by "HDDRawCopy".
Thanks to that, I have totally the same soft on second card, which I can easily modify without any worries.
I have found exe file - I will be back with result, how is going work with replacing just exe file and lyc file.
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