2015 Volkswagen Golf — brake fluid is old but still looks clean

Write down what you already tried. A second data point from another 2015 Volkswagen Golf owner helps more than a generic diagnosis. I'd do that before spending real money. Take it or leave it — that's what I'd do. If this is nothing, great. I want that in data.

I'd keep this practical. Verify the cheap/easy branch on the 2015 Volkswagen Golf before a big repair or a big spend. That's where I'd start. This is from a 2015 Volkswagen Golf in Philadelphia with 140,500 miles. Verbal 'we'll take care of it' is not a plan. I've seen both outcomes, which is why I'd test instead of assume. I'll update if anything new shows up.

Owner notes beat generic advice here. On the 2015 Volkswagen Golf in Philadelphia, I'd fix the thing you'll notice every day before chasing spec-sheet extras. Then you'll know the next fork. On “brake fluid is old but still looks,” that was the fork that mattered for me. If they can't show the line item, I assume it's hiding. That's my plan before I call anyone.