Deweydw
CEG'er
Just bought a 2007 Mazda3 I Touring Saturday for the wife. It's a 2.0l DOHC 4 speed auto, fwd. When It comes time to change the oil, Mazda recommends 5w20 oil. I was thinking of using 10w30 synthetic. That's what use in my other vehicles. Would this be o.k.?