Hi tony, what year do you have? The grease streak was common in the 03's, how many miles do you have? Some didn't appear until after a few thousand miles, mine has gotten progressively worse w/ time, if this is the case, just take it into the dealer and they should be able to fix it. How much grease are we talking about? My streak is about an inch wide about 6 inches from the front of the glass...hope that helps out.
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