It is a multi-viscosity oil that is 5 weight when it is cold and becomes 30 weight when it is hot.
5w30
5w30
5w30
5W30
5w30
5w30
No, not if the recommended weight is 5w30. Only use the weight recommended by the manufacture.
5W30
5w30 or 10w30
5w30
5w30
5w30