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  1. Does Factory Oil have extra additives in it?

    2019+ Subaru Ascent General Discussion Forum
    I had someone tell me that there are extra additives in the factory fill oil and to not change the oil till the 6000 mile or 6 month period. That by changing it early I am making a mistake. I don't drive all that much and in 6 months I was only around 3000 miles. At the end of the first year I...
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