Mazda 6 2006 Owner's Manual page 245

In Case of an Emergency
Emergency Starting
WARNING
Keep Flames Away:
Flames and sparks near open battery cells are dangerous. Hydrogen gas, produced
during normal battery operation, could ignite and cause the battery to explode. An
exploding battery can cause serious burns and injuries. Keep all flames including
cigarettes and sparks away from open battery cells. When working near a battery, do
not allow metal tools to contact the positive ( ) or negative ( ) terminal of the
battery. Do not allow the positive ( ) terminal to contact any other metal object that
could cause sparks.
Battery-Related Explosion:
Flames and sparks near open battery cells are dangerous. Hydrogen gas, produced
during normal battery operation, could ignite and cause the battery to explode. An
exploding battery can cause serious burns and injuries. Keep all flames, including
cigarettes, and sparks away from open battery cells.
Low Fluid Level or Frozen Battery:
Jump-starting a frozen battery or one with a low fluid level is dangerous. It may
rupture or explode, causing serious injury.
Don't jump-start a frozen battery or one with a low fluid level.
Connecting Jumper Cable Directly to Negative Terminal:
Connecting the end of the second jumper cable to the negative ( ) terminal of the
discharged battery is dangerous.
A spark could cause the gas around the battery to explode and injure someone.
Connect the negative cable to a good ground point away from the battery.
Connecting Jumper Cable to Moving Parts:
Connecting a jumper cable near or to moving parts (cooling fans, belts) is dangerous.
The cable could get caught when the engine starts and cause serious injury. Route the
jumper cables away from parts that will be moving.
CAUTION
Use only a 12 V booster system. You can damage a 12 V starter, ignition system, and
other electrical parts beyond repair with a 24 V power supply (two 12 V batteries in
series or a 24 V motor generator set).
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