Emergencies
2. Connect one end of the red jump lead to
8. Start the engine of the vehicle with the flat
battery and wait 2 or 3 minutes until the
engine is “running”.
imprint on battery). Failure to comply could
result in an explosion.
+
the positive
terminal of the vehicle
A
with the flat battery
››› Fig. 164.
●
Never use jump leads when one of the bat-
teries is frozen. Danger of explosion! Even af-
ter the battery has thawed, battery acid could
leak and cause chemical burns. If a battery
freezes, it should be replaced.
3. Connect the other end of the red jump
Removing the jump leads
+
lead to the positive terminal
in the ve-
B
9. Before you remove the jump leads, switch
off the dipped beam headlights (if they
are switched on).
hicle providing assistance
.
4. For vehicles without Start-Stop system:
connect one end of the black jump lead to
●
Keep sparks, flames and lighted cigarettes
away from batteries, danger of explosion.
Failure to comply could result in an explo-
sion.
–
10. Turn on the heater blower and heated
rear window in the vehicle with the flat
battery. This helps minimise voltage peaks
which are generated when the leads are
disconnected.
the negative terminal
providing the current
of the vehicle
››› Fig. 164.
B
●
Observe the instructions provided by the
manufacturer of the jump leads.
–
For vehicles with Start-Stop system: con-
X
nect one end of the black jump lead
to a
suitable ground terminal, to a solid piece of
metal in the engine block, or to the engine
block itself ››› Fig. 165.
●
Do not connect the negative cable from the
11. When the engine is running, disconnect
the leads in reverse order to the details
given above.
other vehicle directly to the negative terminal
of the flat battery. The gas emitted from the
battery could be ignited by sparks. Danger of
explosion.
5. Connect the other end of the black jump
X
lead
to a solid metal component bolted
Connect the battery clamps so they have
good metal-to-metal contact with the battery
terminals.
●
Do not attach the negative cable from the
to the engine block or to the engine block
itself of the vehicle with the flat battery.
Do not connect it to a point near the bat-
other vehicle to parts of the fuel system or to
the brake line.
●
If the engine fails to start, switch off the start-
er after about 10 seconds and try again after
about a minute.
The non-insulated parts of the battery
A
tery
.
clamps must not be allowed to touch. The
jump lead attached to the positive battery
terminal must not touch metal parts of the ve-
hicle, this can cause a short circuit.
6. Position the leads in such a way that they
cannot come into contact with any moving
parts in the engine compartment.
WARNING
●
Position the leads in such a way that they
●
Please note the safety warnings referring to
Starting
cannot come into contact with any moving
parts in the engine compartment.
working in the engine compartment
››› page 166, Working in the engine compart-
ment.
7. Start the engine of the vehicle with the
boosting battery and let it run at idling
speed.
●
Do not lean on the batteries. This could re-
sult in chemical burns.
»
●
The battery providing assistance must have
the same voltage as the flat battery (12 V)
and approximately the same capacity (see
189
English 
