Ha.. agreed would be awesome! Will source one and get at it.. will be ok if off diesel not petrol? Coding does not seem to be an issue if same fuel type but just checking! Thanks for your help, much obliged as getting dangerous when cannot clear windows!

I have a weird problem which I have been researching with little joy. The heater control panel stays blank when turning on, however after 5 minutes it starts blinking and doing all sorts ( usually full cold full fan) before settling down and then working fine. No battery drain, no working when off ...