2007 Lexus RX 400h Owners Manual - Page 326

4-3. Do-it-yourself maintenance n After recharging/reconnecting the 12 volt battery In some cases, the hybrid system may not start. If this happens, follow the procedure below. (If the system does not start first time, repeat the procedure.) Turn the hybrid system off. Open and close the driver's door, and turn the hybrid system on. If the system will not start even after repeating the procedure, contact your Lexus dealer. CAUTION n Chemicals in the battery: A battery contains 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 battery: l Do not cause sparks by touching the battery terminals with tools. l Do not smoke or light a match near the battery. l Avoid contact with eyes, skin and clothes. l Never inhale or swallow electrolyte. l Wear protective safety glasses when working near the battery. l Keep children away from the battery. n Where to safety charge the battery Always charge the battery in an open area. Do not charge the battery in a garage or closed room where there is not sufficient ventilation. n How to recharge the battery Only perform a slow charge (5 A or less). The 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. 304