In the event that our vehicle's battery requires maintenance...

A)We will check the liquid level in the cells and that the terminals are clean and dry.Correct
B)We will check that the terminals are clean and coated with anti-acid grease.
C)We will replace it every year or every 10,000 km.
In maintenance batteries, the electrolyte level (a mixture of water and sulphuric acid) must be checked. It must cover the plates inside the battery; otherwise, only distilled water should be added.
In maintenance-free batteries, it will be necessary to check that the terminals are clean, well tightened and coated with grease.
In maintenance-free batteries, it will be necessary to check that the terminals are clean, well tightened and coated with grease.