Car Battery Leaking Black Liquid. First, try and locate the leak. Approach it with protective gloves and face shield, and cover liberally with baking soda, until newly added baking soda does not cause additional fizzing or bubbling.
A transmission system evaluation should give you the information you need to fix the faulty components. Most likely, due to the make and model of your vehicle, the fluid you are leaking is engine oil. Once you have a clear view of where the fluid is leaking from, remove the board and check the color.
Power steering fluid is a slightly yellowish liquid of medium thickness, kind of like cheap waffle syrup mixed with water.
Even so, at that point, you should have a variety of other symptoms to be concerned about. Clean up remaining residue using a thick paste made from baking soda and water. However there are tell tale signs that can indicate a leak. Look at the radiator hoses, coolant reservoir and radiator.