jump start Citroen DS5 HYBRID4 RHD 2013.5 1.G Owner's Manual

239Practical information
After refitting the battery, the Stop & Start system will only be active after several hours depending on the climatic conditions and the state of charge of the battery (up to about 8 hours).
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.
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.
 Disconnect the battery from the vehicle.  Follow the instructions for use provided by the manufacturer of the charger.  Connect the battery starting with the negative terminal (-).  Check that the terminals and connectors are clean. If they are covered with sulphate (whitish or greenish deposit), remove them and clean them.
Charging the battery using
a battery charger