The photo does not really clarify if any section is illuminated, although I suspect the green may be and if so then the red you are seeing is just the lens colour and would be a lot brighter if lit.
I agree usually get 3-4 years max out of my van battery, movers take a heavy tollsounds like time for a new battery motor movers take a lot out of a battery
as it's 5 years old to start with