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240 If and when
– Press the bulb sideways and remove it from its housing
⇒ fig. 167.
Jump-starting
Jump leads
The jump lead must have a sufficient wire cross section.
If the engine fails to start because of a discharged battery, the battery can
be connected to the battery of another vehicle to start the engine.
Jump leads
Jump leads must comply with standard DIN 72553 (see manufacturer's doc-
umentation). The wire cross section must be at least 25 mm
2
for petrol en-
gines and at least 35 mm
2
for diesel engines.
Note
● The vehicles must not touch each other, otherwise electricity could flow
as soon as the positive terminals are connected.
● The discharged battery must be properly connected to the vehicle elec-
trical system.
How to jump start: description
Fig. 168 Diagram for
connecting jump leads if
the vehicle providing as-
sistance the current is
not fitted with the Start-
Stop system: flat battery
A
and battery providing
current
B
.
Fig. 169 Diagram for
connecting jump leads if
the vehicle providing as-
sistance is fitted with the
Start-Stop system: flat
battery
A
and battery
providing current
B
.
Jump lead terminal connections
1. Switch off the ignition of both vehicles ⇒
.
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