Engine Electrical System

Battery Description and Operation

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Description

  1. The CMF (Calcium Maintenance Free) battery, as the name implies, requires no maintenance and does not have removable battery cell caps.
  2. The CMF (Sealed, Maintenance Free) battery does not require water replenishment.
  3. The battery is fully sealed, except for small vent holes in the cover.
  • After disconnecting and reconnecting the negative battery cable, some components require a reset procedure. (Refer to Body Electrical System - "General Information")

Test yourself

A quick Hyundai Tucson LM quiz: every answer comes with an explanation and a link to the manual page.