Should be spelled out in the owners manual.
Likely it is 5w20. I would recommend Motorcraft Synthetic Blend oil changed by you or the dealership. I do NOT use the "quick lube" places. Do some reading in your owner's manual as all this information is in there.
I like Mobile 1 Full Synthetic. Manual that came wit it tells you. May say it on the sticker under hood, or door panel, other wise just ask at the auto parts store to look it up for you when you get the oil & filter, Its important to change the filter too Cause its so new it could have junk it from assembly.
Looking for a Used Focus in your area?
CarGurus has 70,943 nationwide Focus listings starting at $999.
Search Ford Focus Questions
Ford Focus Experts