Hi All,
I purchased a 2012 GS Coupe (love the car !) in May of 2021 with 13K miles on it. I changed the oil in August '21 with 14K miles on it because I was going to take a 2400 mile round trip in it. It is now Oct of '22, the car has 20K miles on it, and the oil monitor says I have 56% life...