http://www.ehow.com/guide_7-http://www.ehow.com/guide_7-cars.html.htmlwww.ehow.comhttp://www.ehow.com/how_4987463_change-cars-battery.htmlBefore changing a car battery, be sure to clean the terminals of corrosion, disconnect the terminals and disconnect the clamp that holds the battery steady. Change a car's battery with tips from a mechanic in this free car-care and automotive maintenance video. Published on 5/1/2009