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oil low

  1. YF (2011-2014) Sonata/i45
    Right before driving to work last month, I checked my oil and found it was at the "L" on the dipstick. So I went to Advance Auto and bought a quart of Mobil1 Full Synthetic 5W20 and poured the whole bottle in and drove off. Today I checked it again and it's almost at the L again. It's been...