The squeal is probably the belt slipping from being coated in oil.
The oil leak appears to be around the power steering pump, but could be dripping down onto it.
Does the rattle last for a few seconds then vanish? If so it is the notorious VVT-i rattle. Expensive to repair, requires engine removal.
Intermediate shaft is common, there are a few temporary fixes on Youtube.
Pedders and Superpro make caster correction bushes.
You are only missing a few items off the list of issues with the Aurion. If you do a search you will find more results.
Would pay to check if your dash is sticky as well.