Mfsw with rns510

[Fozzie]

Just had my rns510 fitted (great unit) everything works fine but the star button on the mfsw doesn't work for voice commands but it does work if you press it on the unit?
Anyone know how to get the star button working on the mfsw?
Thanks

[StephenED30]

Have a read of this. 

http://www.my-gti.com/1234/volkswagen-rns-510-microphone-connection-for-voice-control