2009 Toyota Sequoia Owners Manual - Page 580

5-2. Steps to take in an emergency n Starting the engine when the battery is discharged The engine cannot be started by push-starting. n Avoiding a discharged battery l Turn off the headlights and the audio system while the engine is turned off. l Turn off any unnecessary electrical components when the vehicle is running at a low speed for an extended period, such as in heavy traffic, etc. n When the battery is removed or discharged Flex-fuel vehicles: The information recorded in the computer will be cleared, which may cause the engine to run roughly and reduce driving performance for a while when the engine is first started. In this case, wait until the engine runs normally. If the vehicle is running on E85, the engine may stall. In this case, restart the engine, repeatedly if necessary. CAUTION n Avoiding battery fires or explosions Observe the following precautions to prevent accidentally igniting the flammable gas that may be emitted from the battery. l Make sure the jumper cable is connected to the correct terminal and that it is not unintentionally in contact with any part other than the intended terminal. l Do not allow the jumper cables to come into contact with the "+" and "-" terminals. l Do not smoke, use matches, cigarette lighters or allow open flame near the battery. n Battery precautions The battery contains poisonous and corrosive acidic electrolyte, while related parts contain lead and lead compounds. Observe the following precautions when handling the battery. When working with the battery, always wear safety glasses and take care not to allow any battery fluids (acid) to come into contact with skin, clothing or the vehicle body. 548