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...