I tried the oil, and it did nothing to remove the tar-like coating. I can't believe nobody else has this?

I'd take a picture but it doesn't really look like anything is wrong. Its just when you touch it that you notice something strange.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma