2008 Honda Civic Owner's Manual - Page 266

Main Menu Table Of Contents Checking the Battery 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. If your vehicle's battery is disconnected, or goes dead, the audio system will disable itself. The next time you turn on the radio, you may see ''CODE'' in the frequency display. Use the preset buttons to enter the code (see page 173 ). 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. Maintenance 263 2008 Civic Sedan