Toyota 28800-43220 Battery

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The battery produces flammable and explosive hydrogen gas, so creating a spark or lighting a match near it can be dangerous.

A routine preventive maintenance program for your vehicle's battery is essential for ensuring quick and reliable starts. However, it's crucial to have the proper equipment for working safely around the battery, including a face shield or safety goggles, baking soda, petroleum jelly, battery post and cable cleaner, treated felt washers, a puller, and rubber gloves. Additionally, several precautions must be taken when performing battery maintenance. Always turn off the engine and accessories and disconnect the negative terminal cable before servicing the battery to prevent sparks or accidents. The battery generates flammable hydrogen gas, so avoid creating sparks, smoking, or lighting matches around it, and charge the battery in a well-ventilated area. Take care to prevent contact with corrosive sulfuric acid in the electrolyte, wearing protective safety glasses and keeping it away from eyes, skin, and clothing, as well as out of reach of children. Inspect the battery's external condition, including cable clamps, connections, case, and hold-down clamps for corrosion, damage, or loose parts. If corrosion is present, remove the battery for cleaning, taking precautions, and clean cable clamps, terminals, and the battery top with a solution of warm water and baking soda while wearing safety goggles and rubber gloves. Ensure the plastic battery carrier and brackets are clean, and reinstall them if necessary. Use treated felt washers, coat terminals and cable clamps with petroleum jelly or grease, and install them securely, paying attention to the negative cable installation order. Lastly, be cautious not to over-tighten the hold-down clamp bolts to avoid cracking the battery case.