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* N N O O TE TE Damage to the battery from over-
voltage
When charging using a battery charger without
a restriction of the maximum charging voltage,
the battery or the on-board electronics can be
damaged.
Only use battery chargers with a maxi-
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mum charging voltage of 14.8 V.
& W W ARNING
ARNING Risk of explosion due to hydro-
gen gas igniting
If, when charging a battery, there is a short
circuit or sparks start to form, there is a dan-
ger of hydrogen gas igniting.
Take care that the positive clamp con-
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nected to a battery does not come into
contact with vehicle parts.
Never place metal objects or tools on a
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battery.
When connecting and disconnecting the
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battery, always observe the sequence of
battery clamps described.
Take care to only connect battery termi-
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nals of identical polarity when receiving
starting assistance.
Observe the sequence described for
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connecting and disconnecting the jump
leads when receiving starting assistance.
Do not connect or disconnect the bat-
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tery terminals while the engine is run-
ning.
& W W ARNING
ARNING Risk of explosion due to explo-
sive mixture of gases
An explosive mixture of gases can escape
from the battery during charging and starting
assistance.
Fire, naked ames, smoking and creating
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sparks must be avoided.
Make sure there is adequate ventilation.
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Do not stand over the battery.
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Breakdown assistance 379
& W W ARNING
ARNING Risk of explosion from a frozen
battery
A discharged battery may freeze at tempera-
tures slightly above or below freezing point.
During starting assistance or battery charging,
battery gas can be released.
Always allow a battery to thaw before
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charging it or performing starting assis-
tance.
If the indicator/warning lamps in the instrument
cluster do not light up at low temperatures, it is
very likely that the discharged battery has frozen.
In this case you may neither jump-start the vehi-
cle nor charge the battery.
The service life of a battery that has been thawed
may be dramatically shortened. The starting char-
acteristics may be impaired, especially at low
temperatures.
It is recommended that you have a thawed battery
checked at a quali ed specialist workshop.
379
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