Seat LEON Owner's Manual page 64

Jump leads must comply with standard DIN
72553 (see cable manufacturer's instruc-
tions). The wire cross section must be at least
2
25 mm for petrol engines and at least
2
35 mm 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 on-board network.
How to jump start: description
Fig. 77 Diagram of connections for vehicles
without Start Stop system
62
The essentials
Diagram of connections for vehicles
Fig. 78
with Start Stop system
Jump lead terminal connections
1. Switch off the ignition of both vehicles
›››
.
2. Connect one end of the red jump lead to
the positive terminal of the vehicle
+
›››
with the flat battery Fig.
A
3. Connect the other end of the red jump
lead to the positive terminal
hicle providing assistance
B
4. For vehicles without Start-Stop system:
connect one end of the black jump lead to
the negative terminal of the vehicle
–
›››
providing the current Fig.
B
For vehicles with Start-Stop system: con-
–
nect one end of the black jump lead
suitable ground terminal, to a solid piece of
metal in the engine block, or to the engine
›››
block itself Fig. 78.
5. Connect the other end of the black jump
lead to a solid metal component bolted
X
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-
tery .
A
6. Position the leads in such a way that they
cannot come into contact with any moving
parts in the engine compartment.
Starting
7. Start the engine of the vehicle with the
boosting battery and let it run at idling
speed.
8. Start the engine of the vehicle with the flat
battery and wait for 2 or 3 minutes until
the engine is running.
77.
Removing the jump leads
9. Before you remove the jump leads, switch
in the ve-
+
off the dipped beam headlights if they are
.
switched on.
10.Turn on the heater blower and heated rear
window in the vehicle with the flat battery.
This helps minimise voltage peaks which
77.
are generated when the leads are discon-
nected.
to a
X
11.When the engine is running, disconnect
the leads in reverse order to the details
given above.