Corrosion prevents the alternator in your car from charging the battery. Oftentimes it looks like a hard, white substance. If you've allowed corrosion to form on your battery, you should know how to clean it so your vehicle will run as efficiently as possible.

• Rubber safety gloves
• Wrench
• Water
  
• 1 bristle brush
• Baking soda
• 1 toothbrush
• Towel
• Petroleum jellyhttp://www.youtube.com/watch?v=Ymkbz6cogp4&feature=player_embedded#at=121 

1. Loosen the nut on each cable clamp with your wrench. Remove the negative (black) terminal first, followed by the positive (red) terminal.
   
2. Check the battery terminals for corrosion and determine where you need to focus your cleaning.http://www.carsdirect.com/car-repair/how-to-clean-car-battery-corrosion-and-how-it-effects-your-cars-performance 

1. Soak your bristle brush in water and dip it in the baking soda to cover the bristles well.
   
2. Brush the terminal where you see the corrosion thoroughly.
3. Take your toothbrush and dip it in the water.
4. Clean the baking soda off the terminals with the toothbrush.
5. Remove any excess liquid or baking soda with your towel.http://www.youtube.com/watch?v=Ymkbz6cogp4&feature=player_embedded#at=121 

1. Spread a thin layer of petroleum jelly on the terminals to help slow down the formation of future corrosion.
2. Grease the cables, clamps and battery posts to cover your bases.http://www.carsdirect.com/car-repair/how-to-clean-car-battery-corrosion-and-how-it-effects-your-cars-performance 

1. Put the positive clamp onto the positive charge first, before you attach the negative clamp to the negative terminal.
2. Tighten the nuts with your wrench.http://www.carsdirect.com/car-repair/how-to-clean-car-battery-corrosion-and-how-it-effects-your-cars-performance