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304 Breakdown assistance
304
Always take care to connect only battery
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terminals of identical polarity when jump
starting a vehicle.
During starting assistance, it is essential
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to observe the sequence described for
connecting and disconnecting the
jumper cables.
Do not connect or disconnect the bat-
#
tery terminals while the engine is run-
ning.
& W W ARNING
ARNING Risk of explosion due to a mix-
ture of explosive gases
A mixture of explosive gases can escape from
the battery during charging and jump starting.
Fire, open ames, smoking and creating
#
sparks must be avoided.
Make sure that there is su cient ventila-
#
tion.
Do not stand over the battery.
#
& 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
#
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.
All vehicles
All v
ehicles
* NO
NOTE TE Damage caused by numerous or
extended attempts to start the engine
Numerous or extended attempts to start the
engine may damage the catalytic converter
due to non-combusted fuel.
Avoid numerous and extended attempts
#
to start the engine.
Observe the following points during starting assis-
tance and when charging the battery:
Only use undamaged jumper cables/charging
R
cables with a su cient cross-section and
insulated terminal clamps.
Non-insulated parts of the terminal clamps
R
must not come into contact with other metal
parts while the jumper cable/charging cable
is connected to the battery/jump-start con-
nection point.
The jumper cable/charging cable must not
R
come into contact with any parts which may
move when the engine is running.
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