Toyota 28800-21170 Battery

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A routine preventive maintenance program is essential for the battery in your vehicle to ensure quick and reliable starts. Before performing any battery maintenance, make sure you have the proper equipment for safety. Take precautions when servicing the battery, such as turning off the engine and disconnecting the cable from the negative terminal. The battery produces flammable and explosive hydrogen gas, so avoid creating sparks or lighting matches near it and charge it in a ventilated area. The electrolyte contains poisonous and corrosive sulfuric acid, so avoid contact with eyes, skin, or clothes, and wear protective safety glasses. Check the external condition of the battery for any corrosion, loose connections, cracks, or loose hold-down clamps. If corrosion is present, remove the battery for cleaning. Clean the cable clamps, terminals, and battery case with a solution of warm water and baking soda, taking care not to let the solution enter the battery. Ensure the battery tray is in good condition and the hold-down fasteners are tight. For charging, a slow-rate charger is recommended, such as a one or two-amp battery charger. Avoid using a quick-charge system. The average time to charge a battery depends on the charger. Corrosion can be removed with a water and baking soda solution, and any damaged metal parts should be covered with a zinc-based primer and painted.