124 Vehicle battery and fuses › Using the jump-starting cable
Tap on the indicator
before testing, to clear
air bubbles.
Stop driving!
Stop the engine and seek the help of a specialist
garage.
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Black colour - the acid
level is OK.
Colourless or pale yel-
low colour - acid level
is too low, the battery
must be replaced.
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▶
Disconnecting, connecting and replacing
CAUTION
Risk of fire!
Do not mix up the connection cables.
▶
Requirements for the charging process
✓ Ignition off.
✓ Power consumers switched off.
Disconnect
Close all electrically operated windows.
Switch off the ignition and any connected power
consumers.
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Vehicle battery charging process
To charge the vehicle battery fully, set a charging
current of max. of 0.1 times the battery capacity.
Disconnect the
nal.
terminal and then the
termi-
›
Connect the
nal of the charger to
termi-
Connect
›
Connect the
terminal and then the
terminal.
›
the
terminal of the
After switching on ignition, the indicator lights illumi-
nate briefly. from the isolation box.
vehicle battery.
Connect the termi-
nal of the charger to
the earth point A .
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If, after a short distance, one of the above-men-
tioned indicator lights does not go out, seek the
help of a specialist garage.
›
Plug the charger's
power cable into the
socket and switch on
the device.
Commission these functions after disconnecting
and connecting the vehicle battery
Earth point
Clock setting » page 51.
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Window operation » page 27.
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After charging, switch off the charger and unplug
the power cable from the socket.
Disconnect the charger terminals from the vehicle
battery.
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Changing
The new vehicle battery must have the same param-
eters as the original battery. Have the replacement
carried out by a specialist garage.
WARNING
Risk of explosion!
During charging, hydrogen is released. An explo-
sion can also be caused by sparks, for example,
when disconnecting or loosening the cable con-
nector.
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Using the jump-starting cable
What you should be mindful of
WARNING
Risk of explosion and chemical burns!
Do not jump start with the battery of another vehi-
cle under the following conditions.
The discharged vehicle battery is frozen. A dis-
Never charge a frozen or thawed vehicle battery.
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▶
Do not carry out the so-called quick charging of
the vehicle battery yourself, but have it carried out
by a specialist garage.
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▶
NOTICE
charged vehicle battery can freeze at tempera-
tures just below 0°C.
A flat vehicle battery can freeze easily!
▶
The battery acid level is too low » page 123.
Troubleshooting
Use jump leads with a sufficient cross section and in-
sulated terminal clamps.
Vehicle battery does not charge while the engine is
running
The rated voltage of both batteries must be 12V. The
capacity (in Ah) of the charging battery must not be
significantly lower than the capacity of the dis-
charged battery.
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Seek the help of a specialist garage.
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Engine fault
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