Operation CHARM: Car repair manuals for everyone.

Battery Precautions

^ Never use a booster/starter which has a voltage rating above 12 volts to start engine.
^ Always ensure the battery is properly connected to the vehicle prior to attempting to start engine.
^ Don't disconnect the battery when the engine is running.
^ When charging a battery, be sure battery cables are disconnected.
^ The battery contains acid and produces explosive gas (hydrogen). Avoid creating sparks near battery.