How To Check Water In Car Battery. Your battery will have a total of 6 cells so you will need to add water to all 6 of them individually. Indeed heat causes the water inside the battery to evaporate and accelerates internal corrosion.

Thus as part of your car battery maintenance schedule you should check the battery water level periodically to ensure proper battery operation and engine performance. Open the battery cap and inspect the fluid level. Some Like It Hot.
There is a lip that is.
Afterall your car battery is kept warm and dry under the hood. Start the car to ensure the battery is working. Make sure you check the state of your batterys health more frequently in this environment. Most batteries are maintenance free so you dont check the water levels in those.
