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The essentials
Tow-starting
If the engine will not start, first try starting it
using the battery of another vehicl
e
›››
page 59. You should only attempt to
tow-start a vehicle if charging the battery
does not work. This is done by leveraging
wheel movement.
When tow-starting a vehicle with a petrol en-
gine, do not tow it more than a short dis-
tance, otherwise unburned fuel can enter the
catalytic converter.
●
Engage 2nd or 3rd gear before moving off.
●
Press the clutch and hold the pedal down.
●
Switch the ignition on.
●
Once both vehicles are moving, release the
clutch.
●
As soon as the engine has start
ed, press the
clutch and move the gear lever to neutral.
How to jump start
Jump leads
The jump lead must have a sufficient wire
cr
oss section.
If the engine f
ail
s to start because of a dis-
charged battery, the battery can be connec-
ted to the battery of another vehicle to start
the engine.
Jump leads must comply with standard DIN
72553 (see cable manufacturer's instruc-
tions). The wire cross section must be at least
25 mm
2
for petrol engines and at least
35 mm
2
for diesel engines.
Note
●
The vehicles must not t
ouch each other,
otherwise electricity could flow as soon as
the positive terminals are connected.
●
The discharged battery must be properly
connected to the on-board network.
How to jump start: description
Fig. 82
Diagram of connections for vehicles
without St
art St
op syst
em
Fig. 83 Diagram of connections for vehicles
with Start Stop syst
em
Jump lead terminal connections
S
wit
ch off the ignition of both v
ehicles
›››
.
Connect one end of the r
ed
jump l
ead to
the positive
+
terminal of the vehicle
with the fl
at batt
ery
A
›
›
›
Fig. 82.
Connect the other end of the red jump
lead to the positive terminal
+
in the ve-
hicl
e pr
o
viding assistance
B
.
In v
ehicl
es without a St
art-Stop system:
connect one end of the black jump lead
to the negative terminal
–
of the vehicle
pr
o
viding the curr
ent
B
›
›
›
Fig. 82.
In vehicles with a Start-stop system:
connect one end of the black jump lead
X
to a suitable ground terminal, to a sol-
id piece of met
al in the engine bl
ock
, or
to the engine block itself
›››
Fig. 83.
»
1.
2.
3.
4a.
4b.
59
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