2011 Honda Odyssey Owner's Manual - Page 653

Checking the Battery On Touring models If there is a problem with the sensor, you will see a ''CHECK BATTERY SENSOR'' message on the multiinformation display. Have the vehicle checked by your dealer. Check the terminals for corrosion (a white or yellowish powder). To remove it, cover the terminals with a solution of baking soda and water. It will bubble up and turn brown. When this stops, wash it off with plain water. Dry off the battery with a cloth or paper towel. Coat the terminals with grease to help prevent future corrosion. If additional battery maintenance is needed, see your dealer or a qualified technician. WARNING: Battery posts, terminals, and related accessories contain lead and lead compounds. Wash your hands after handling. If you need to connect the battery to a charger, disconnect both cables to prevent damaging your vehicle's electrical system. Always disconnect the negative ( ) cable first, and reconnect it last. On vehicles without navigation system If your vehicle's battery is disconnected, or goes dead, the time setting will be reset to 1:00. To set the time again, follow the setting procedure (see page 315 ). On vehicles with navigation system The battery gives off explosive hydrogen gas during normal operation. A spark or flame can cause the battery to explode with enough force to kill or seriously hurt you. Wear protective clothing and a face shield, or have a skilled technician do the battery maintenance. The navigation system will also disable itself. The next time you turn on the ignition switch, the system will require you to enter a PIN before it can be used. Refer to the navigation system manual. 650 2011 Odyssey