
It's not for you, LeeT96, is for everyone:
Please do not request my help so boldly, this is a great forum in which
"many great people participates".
I would want say that I no have solutions for everything and also I wrong... I'm really scared

The most difficult thing I think is solve car problems of others user with barely information. Sometimes, the solution is a matter of luck.
Thank you for reading
Having said this:
In the following link, read in page 9,
Accepting settings
http://www.davecandoit.com/Cars/vw/RCD510Manual.pdf
In combination with volume settings. Press button----Volume--->volume settings.
I think it is possible to set to "0" with vcds in Adaptation (NO SURE). In Radio Address 56, you will need to go channel by channel until you find the correct channel or see if it is included in the drop-down panel (top of the dialog box), I can not remember what channel it was (channel 8

). Placing the pointer over "up/down" to change value a balloon with possible configurations will appear. Set to "0".
In my rns these features work like a charm.
Edit------------------------
In the hidden menu RCD 510 (press more than 20 sec SETUP button) TESTMODE----> in SOUND you can make adjustments to SDV. Also in RNS 510.
Hidden menu:
https://www.youtube.com/watch?v=A006ak7JaDY