S Line button ?

[Masterm8fo]

I saw an S-Line button on this site where they offer Aux-In on RNSE...anyone know what that does ?
Audi Retrofit

 

[johnnythepie]

probably a blanking plate, like the one with the rings on

 

[Wrath]

Just looks like some transfers added to blank buttons.

 

[mattb1434]

You can get them to light up with the dash aswell, i got mine from here CarStyle4you