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![Test drove a 2008. What to make of these Dr. Prius results? Surprised the life expectancy is as high as it is. Also, the 12v battery has a 11/2020 manufacture stamp, but Test drove a 2008. What to make of these Dr. Prius results? Surprised the life expectancy is as high as it is. Also, the 12v battery has a 11/2020 manufacture stamp, but](https://preview.redd.it/wqplhl3jzwl61.jpg?width=640&crop=smart&auto=webp&s=cac14a54d6831d0da873c3cb863f32a81ef6bad3)
Test drove a 2008. What to make of these Dr. Prius results? Surprised the life expectancy is as high as it is. Also, the 12v battery has a 11/2020 manufacture stamp, but
Why does the Prius 12V battery have a tube or hose attached? Is it to vent hydrogen to the exterior of the cabin? - Quora
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