jump start Peugeot 308 2014 Owner's Manual - RHD (UK, Australia)

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Practical information
Starting using another
battery
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. Do not try to start the engine by connecting a battery charger. Do not disconnect the (+) terminal when the engine is running.
 Remove the plastic cover from the (+) terminal, if your vehicle has one.  Connect the red cable to the positive terminal (+) of the flat battery A , then to the
positive terminal (+) of the slave battery B .  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).  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).  Start the engine of the vehicle with the good battery and leave it running for a few minutes.
 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.  Wait until the engine returns to idle then disconnect the jump lead cables in the reverse order.  Refit the plastic cover to the (+) terminal, if your vehicle has one.
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.
Before disconnecting the battery
Wait 2 minutes after switching off the ignition before disconnecting the battery. Close the windows and the doors before disconnecting the battery.
Following reconnection of the battery
Following reconnection of the battery, switch on
the ignition and wait 1 minute before starting to permit initialisation of the electronic systems. However, if problems remain following this operation, contact a PEUGEOT dealer or a qualified workshop. Referring to the corresponding section, you must yourself reinitialise (depending on version): - the remote control key, - the electric blind(s), - ...
Some functions are not available if the battery is not sufficiently charged.