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2017 Kia Optima PHEV
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Discussion Starter #1
I have a 2017 PHEV. I have read through the manual, and done some searching online, but cannot find a definitive answer on this.

Some hybrid cars, if the accessory battery fails, are capable of shunting power from the drive battery (HV) over to help start the car if the accessory ("normal" battery) dies. Does anyone know if the Optima PHEV can do this? It hasn't become an issue yet (my car only has like 33k miles on it), but eventually, like all car batteries, that accessory battery will die. Just wondering if I am going to be stuck somewhere or not.

Anyone? Thanks!
 

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2011 Kia Optima
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1,906 Posts
I believe there are only certain models, e.g. Ioniq/Niro that utilizes a small lithium-ion battery that if out of juice a battery reset can be used and transfer some power from the bigger battery.
Can't come up with a full list of vehicles that use this small battery with no terminals.
 
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