Remove protective film glue from SS fridge front

I've tried nearly everything, oil, vinegar, peanut butter (yes really) chemical products, haven't yet tried pvr. Fridge was about 2 years old when I realized I'd been cleaning the protective film! it must be factory applied, so the glue is now about 3-4 years old. It looks horrible, but I just can't figure out how to get it off without ruining the finish! any ideas?
Samsung glue
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