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Does anyone know what the Battery push button switch is for?

April 26, 2017battery button push Switch

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Does anyone know what the Battery push button switch is for?

1 Answer

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It is to put a jump-start charge into the HV battery from your 12V battery. In other words if your HV battery somehow is discharged to a point it can’t start the engine, you can use the low voltage 12V battery to put enough charge in the HV battery to start the engine. If your 12V battery is low also, you can jump charge that like a normal jump start with another vehicle. This push button jump start was eliminated in the ’09 FEH.