Engine Electrical System

12 V Auxiliary Battery Description and Operation

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~18min
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Description

  1. The maintenance-free battery, as its name implies, requires no maintenance at all and has no removable cell caps.
  2. Never add water to a maintenance-free battery.
  3. The battery is fully sealed, except for small vent holes in the cover.
    After disconnecting and reconnecting the negative battery cable, reset the parts that require a reset procedure. (Refer to Group - "General Information")

Test yourself

A quick Kia Optima Hybrid Owner's Manual quiz: every answer comes with an explanation and a link to the manual page.