I've just bought a 2017 Camper King conversion. Both battery indicators were showing as good when I was shown the van. After driving it home (3.5 hours), when I press the console buttons it shows the Leisure battery is still fully charged (One with a caravan shape), but the van battery (a flatbed truck shape) is flashing and on the lowest bar. The van starts fine and the dashboard battery light goes off immediately on starting so would appear the alternator is charging it. There doesn't appear to be a function to swap from one battery to the other, so I presume it does this automatically? Any advice on how the system works and thoughts/ideas on whether I have an issue please?