Hi I;m having issues with the radio display on my Zafira CD30 The display shows time and temp, and works perfectly, but when I switch Radio on it stays as the clock, and won't give the Radio display. Pressing settings to get in the menu etc doesn't work either. It also no longer switches on and off with ignition. I did have issues with steering wheel controls being messed up (pressing the horn turned the radio volume down for example) but now the MFD has stopped working for the radio completely and horn sometimes works??? Any suggestions? Thanks