Toyota 28800-30082 Battery

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After disconnecting the negative battery cable, the positive cable should be detached.

If the stereo in your vehicle has an anti-theft system, ensure you have the correct activation code before disconnecting the battery. To maintain the battery, follow a routine preventive maintenance program and use the proper equipment for safety. Before servicing the battery, turn off the engine and all accessories, and disconnect the cable from the negative terminal. Remember that the battery produces flammable and explosive hydrogen gas, so avoid creating sparks or lighting matches near it. Additionally, the electrolyte contains poisonous sulfuric acid, so take precautions to prevent contact with your eyes, skin, or clothes. Inspect the battery for any damage or loose connections, and clean any corrosion with a battery brush and a solution of warm water and baking soda. Ensure the battery tray is in good condition and the hold-down clamp bolts are tight. If necessary, cover any metal parts damaged by corrosion with a zinc-based primer and paint. When charging the battery, it is recommended to remove it from the vehicle to prevent damage to the paint. Slow-rate charging with a one or two-amp battery charger is the best method for restoring a discharged battery or maintaining its charge. Avoid using high amperage chargers or rapid boost charges, as they can strain or damage the battery. The average charging time should be listed in the charger's instructions. During charging, regularly check the battery for overheating and, if applicable, measure the specific gravity with a hydrometer. Some batteries have built-in hydrometers or can be checked with a voltmeter.