S corps are treated as corporations under state law. They are recognized as separate legal entities and generally provide shareholders with the same liability protections afford by C corp. You house or car should be affect unless you used them as collateral for loan or debt.
You terminate you s corp. Liquidate the asset and distribute it to shareholder or debtor (depending on the accumulated adj account-AAA). That's generally it.
You are better of to consult an CPA for this matter.