2010 Lexus RX 450h User Guide 2 - Page 489

4-3. Do-it-yourself maintenance CAUTION n Chemicals in the 12-volt battery The 12-volt battery contain poisonous and corrosive sulfuric acid and may produce hydrogen gas which is flammable and explosive. To reduce the risk of death or serious injury, take the following precautions while working on or near the 12-volt battery: l Do not cause sparks by touching the 12-volt battery terminals with tools. l Do not smoke or light a match near the 12-volt battery. l Avoid contact with eyes, skin and clothes. l Never inhale or swallow electrolyte. l Wear protective safety glasses when working near the 12-volt battery. l Keep children away from the 12-volt battery. n Where to safely charge the 12-volt battery Always charge the 12-volt battery in an open area. Do not charge the 12-volt battery in a garage or closed room where there is insufficient ventilation. n How to recharge the 12-volt battery Only perform a slow charge (5 A or less). The 12-volt battery may explode if charged at a quicker rate. n Emergency measures regarding electrolyte l If electrolyte gets in your eyes Flush your eyes with clean water for at least 15 minutes and get immediate medical attention. If possible, continue to apply water with a sponge or cloth while traveling to the nearest medical facility. l If electrolyte gets on your skin Wash the affected area thoroughly. If you feel pain or burning, get medical attention immediately. l If electrolyte gets on your clothes It can soak through clothing on to your skin. Immediately take off the clothing and follow the procedure above if necessary. l If you accidentally swallow electrolyte Drink a large quantity of water or milk. Follow with milk of magnesia, beaten raw egg or vegetable oil. Get emergency medical attention immediately. 494