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For best battery service

2025 Hyundai Tucson battery location image. A black arrow points downward to the battery unit situated in the engine compartment between the air intake hose and the fuse box. Explains the position of the battery for maintenance and inspection.

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  • Keep the battery securely mounted.

  • Keep the battery top clean and dry.

  • Keep the terminals and connections clean, tight, and coated with petroleum jelly or terminal grease.

  • Rinse any spilled electrolyte from the battery immediately with a solution of water and baking soda.

  • If the vehicle is not going to be used for an extended time, disconnect the battery cables.

For batteries marked with UPPER and LOWER

2025 Hyundai Tucson battery maintenance image. It displays the side of the battery with a magnified view of the 'UPPER' and 'LOWER' level markings. Explains the function of checking the electrolyte level to ensure it is between the specified maximum and minimum lines.

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If your vehicle is equipped with a battery marked with LOWER (MIN) and UPPER (MAX) on the side, you should check the electrolyte level.

The electrolyte level should be between LOWER (MIN) and UPPER (MAX). When the electrolyte level is low, add distilled (or de-mineralized) water. (Never add sulfuric acids or other electrolyte).

Be careful not to spill distilled (or demineralized) water over the battery surface or other adjacent components.

Also, do not overfill the battery cells.

If not, it may corrode the battery or other components. Finally, securely close the cell cap. However, we recommend you to contact an authorized HYUNDAI dealer for better battery service.