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12v battery

  1. Hyundai IONIQ Plug-In Hybrid (PHEV)
    I’ve been having issues with my 12v battery draining. Since I bought the car, I often see the ‘aux battery saver has been used while parked’ message come up - maybe twice a week. That’s telling me that it gave the 12v battery a boost from the high voltage battery. Now that I’m driving less...