steering wheel controls & mid

[veccyv62.5]

i know i need a patch lead to get the steering wheel controls to work on my aftermarket hu but ive seen other vectra mids which have song titles displaying on the mid display, how do i get this to work, its a sony hu btw, thanks in advance

[gilly-06]

certain headunits have the function to display on mid's

[veccyv62.5]

ah ok its the sony cdx-gt54oui, pretty new, only a year old