Soul General Discussion (Gen 2)
So I went to the local Mazda--because the local KIA and Hyundai seem goofy--emporium for my early O&F. I took the KIA (Hyundai part, actually) oil filter in, pointed out the "replace crush washer" etc.
They used Castrol GTX 5W-20 semi syn. I checked the receipt when I got home. 5 quarts. Oh...