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Starting using another 
battery
When your vehicle's battery is discharged, the 
engine can be started using a slave battery 
(external or on another vehicle) and jump lead 
cables.F Connect the red cable to the positive 
terminal (+) of the flat battery A , then to the 
positive terminal (+) of the slave battery B .
F  Connect one end of the green or black 
cable to the negative terminal (-) of the 
slave battery B (or earth point on the other 
vehicle).
F  Connect the other end of the green or black 
cable to the earth point C on the broken 
down vehicle (or on the engine mounting).
F  Start the engine of the vehicle with the 
good battery and leave it running for a 
few minutes.
Do not try to start the engine by 
connecting a battery charger.
Do not disconnect the (+) terminal when 
the engine is running. First check that the slave battery has a 
nominal voltage of 12 V and a capacity 
at least equal to that of the discharged 
battery.
F Operate the starter on the broken down 
vehicle and let the engine run
  If the engine does not start straight away, 
switch off the ignition and wait a few 
moments before trying again.
F  Wait until the engine returns to idle then 
disconnect the jump lead cables in the 
reverse order.
8 
Practical information