To keep the battery topped up,we purchased a 12 v solar panel charger from Maplin,this somehow turned the screen on and put it into sat nav mode.
No keys in the ignition,the next day the battery was flat as the proverbial .
Recharged the battery,took the panel back which they exchanged and it wouldn't recreate the symptoms when it was plugged in.keys out.
Drive home,plug it in,no keys in the igmnition,the radio came on in short bursts,Is it haunted ?
Any solar panel users out there and yes,this panel is fitted with the flow stop going back the other way ???????????