Believe it or not, shown above is the actual code - needed to start solving this cache.

Poor reception though, you’re too far away, the code is all fuzzy.

You need to wiggle your antenna around a little, or stand on one leg.

Maybe simply move a little closer to the source…

Those days it was Fe + paint + gas, now it’s Zn plated Fe C + LEDs.
(Ok, not quite fully all technically correct, a few things missing from both - but it’ll do!)