Just saw a puddle under the right middle of car. It is fresh mineral oil. The brake fluid canister is full and so is the power steering reservoir. Several of the undercarriage plugs are soaked. What lines are hidden behind the underbody plugs? I removed one and the 1" metal tube is coated in oil. Any ideas how to fix this?

 

If it's mineral oil, it's from the power steering system. If it's full now it may have been overfull before and on its way down.