Self-help
Jump start: description
Fig. 38
Diagram of connections for vehicles with
Start Stop system
Jump lead terminal connections
S
wit
ch off the ignition of both vehicles
›››
.
C
onnect one end of the
red jump lead
to the positive
+
terminal of the vehicle
with the flat batt
ery
A
.
C
onnect the other end of the r
ed jump
lead to the positive terminal
+
in the
v
ehicle pr
oviding assistance
B
.
C
onnect one end of the
black jump lead
C
to a suitable ground terminal, to a
solid piece of met
al in the engine block,
or t
o the engine block itself.
Connect the other end of the black
jump lead
D
to a solid metal compo-
nent bolt
ed t
o the engine block or to
the engine block itself of the vehicle
1.
2.
3.
4.
5.
with the flat battery. Do not connect it
to a point near the battery.
Position the leads in such a way that
they cannot come into contact with any
moving parts in the engine compart-
ment.
Starting
Start the engine of the vehicle with the
boosting battery and let it run at idling
speed.
Start the engine of the vehicle with the
flat battery and wait for 2 or 3 minutes
until the engine is running.
Removing the jump leads
Before you remove the jump leads,
switch off the dipped beam headlights if
they are switched on.
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.
When the engine is running, disconnect
the leads in reverse order to the details
given above.
Make sure the battery clamps have sufficient
metal-to-metal contact with the battery ter-
minals.
6.
7.
8.
9.
10.
11.
If the engine fails to start after about 10 sec-
onds, switch off the starter and try again af-
ter about 1 minute.
WARNING
●
Please note the safety warnings referring
to working in the engine compartment
›››
page 316.
●
The battery providing assistance must
have the same voltage as the flat battery
(12V) and approximately the same capacity
(see imprint on battery). Failure to comply
could result in an explosion.
●
Never use jump leads when one of the
batteries is frozen. Danger of explosion!
Even after the battery has thawed, battery
acid could leak and cause chemical burns.
If a battery freezes, it should be replaced.
●
Keep sparks, flames and lighted ciga-
rettes away from batteries, danger of ex-
plosion. Failure to comply could result in an
explosion.
●
Observe the instructions provided by the
manufacturer of the jump leads.
●
Do not connect the negative cable from
the 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.
●
Never attach the negative cable to fuel
system components or the brake lines in
the other vehicle.
»
47
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