Hi all not sure if we have covered this topic but my golf 7 TDI brought up the low coolant warning. It's only 6 months old with 10000km on the clock... Checked level and it was well below the min level line. I have not noticed any leaks. Has anyone else had this problem? If so what it a simple fix. It's going into the dealer but I am worried they will just top it up and say there is nothing wrong....

Any thoughts/advice would be great