The battery of another vehicle can be used to jump-start your vehicle if the en-
gine will not start because the battery is flat.
WARNING
■
Pay attention to the warning instructions relating to working in the en-
gine compartment » page 141.
■
A discharged vehicle battery may already freeze at temperatures just be-
low 0 °C. If the battery is frozen, do not jump start with the battery of an-
other vehicle – there is a risk of explosion!
■
Keep any sources of ignition (naked flame, smouldering cigarettes, etc.)
away from the battery – risk of explosion!
■
Never jump-start vehicle batteries with insufficient acid levels – risk of
explosion and chemical burns.
■
The vent screws of the battery cells must be tightened firmly.
Note
We recommend you buy jump-start cables from a car battery specialist.
Jump-starting using the battery from another vehicle
Fig. 146
Jump-starting: A – flat battery, B
– battery providing current
Fig. 147 Engine earth: START-STOP system
Read and observe on page 167 first.
The starting process using the battery of another vehicle requires the use of
jumper cables.
The jump-start cables must be attached in the following sequence.
›
Attach clamp
1
to the positive terminal of the discharged battery
A
» Fig. 146.
›
Attach clamp
2
to the positive terminal of the battery supplying power
B
.
›
Attach clamp
3
to the negative terminal of the battery supplying power
B
.
›
Attach the clamp
4
to a solid metal component firmly connected to the en-
gine block or to the engine block itself.
Starting engine
›
Start the engine on the vehicle providing the power and allow it to idle.
›
Start the engine of the vehicle with the discharged battery.
›
If the engine does not start, halt the attempt to start the engine after 10 sec-
onds and wait for thirty seconds before repeating the process.
›
Remove the jumper cables exactly in the reverse sequence as for clamping.
On vehicles with the START-STOP system, the jump-start cable of the charger
must never be connected directly to the negative pole of the vehicle battery,
but only to the engine earth.
›
1.2 l/63 kW TSI and 1.2 l/77 kW TSI engines » Fig. 147 -
›
1.4 l./90 kW engine » Fig. 147 -
›
1.6 l./77 kW TDI CR engine » Fig. 147 -
Both batteries must have a rated voltage of 12 V. The capacity (Ah) of the bat-
tery supplying the power must not be significantly less than the capacity of
the discharged battery in your vehicle.
Jump-start cables
Only use jump-start cables which have an adequately large cross-section and
insulated terminal clamps. Observe the instructions of the jumper lead manu-
facturer.
Positive cable – colour coding in the majority of cases is red.
Negative cable – colour coding in the majority of cases is black.
167
Emergency equipment and self-help
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