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Pop the hood on your car and find the battery terminal. It is usually to your right as you stand in front of the car.
Remove the terminal connector wires from the battery, using either a screwdriver or wrench (this depends on whether the wires are connected with screws or bolts). Remove the negative wire first followed by the positive.
Add 1 tablespoon of warm water to the baking soda and mix the two until you have a paste.
Dip a toothbrush into the baking soda paste and scrub the battery connector wire
heads. Be sure to clean the insides of the "O" ring, as this is where the connection to the battery will be most affected by corrosion.
Scrub the battery connection pegs where the wires were clamped on before your removed them. Be sure that your paste isn't too thin. You don't want water dribbling all over your battery. You want a nice thick paste to stay in place once you apply it.
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