When changing the HU on a HK system you have to have an HK Enabler, the HU should of turned on when you tried it but no sound??
NewMINIStuff.com
This is the part in the above link..... As you have sat nav im not sure what else you will need so its probably best to speak to Mikeythemini on hear from NewMINIstuff and he'l sort you out
Scott
