Quote:
Originally Posted by serialk11r
I wonder if this is a common feature on newer cars. My parents' new car stays warm for hours after shutting down.
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As far as I know, the 2 systems I mentioned are only used on the Prius.
A car will normally be somewhat warm, even several hours after shutting it off. Part of that warmth is the coolant giving up heat and warming the engine bay. I imagine a Prius with vacuum coolant bottle would cool the engine bay quicker than normal cars. This is because the vacuum bottle would keep the heat instead of giving it up warming everything under the hood.