‘Jump’ Starting
If the battery becomes discharged to the extent that the engine
cannot be started, the recommended action is to remove the bat-
tery for bench charging, and/or fit a substitute battery until this
process is complete. If this option is unavailable, the car may, in
an emergency, be ‘jump started’ from a second vehicle with 12V
negative earth electrics, but be aware that such a process can
cause damage to vulnerable electronic controllers, which would
not be covered by the New Vehicle Warranty.
WARNING
It is most important that the correct procedure is followed in
order to reduce the risk of damage to either car’s electrical
system, and most importantly, to minimise the danger of a
spark induced battery explosion. Check that the slave car also
has a 12V NEGATIVE EARTH electrical system.
i) Using high quality proprietary jumper cables, and with the
engine of the slave car running at a fast idle, use one jumper
cable (red) to connect the positive (+) terminal of one battery
to the positive terminal of the other battery. Take care during
this process to avoid inadvertently earthing the free end of this
cable to the metal body or chassis of either car.
ii) Connect one end of the other jumper cable (black) to the
negative (-) terminal of the discharged battery.
iii) A spark will occur when the other end of this cable (the final
connection) is connected to an earth on the slave car. This
Electrical
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