Citroen C3 Manuals

Citroen C3: 12 V battery / Starting using another battery

If the vehicle's battery is flat, the engine can be started using a backup battery (either external or from another vehicle) and jump leads or using a battery booster.

Citroen C3. Starting using another battery Never start the engine by connecting a battery charger.

Never use a 24 V or higher battery booster. Check beforehand that the backup battery has a nominal voltage of 12 V and a capacity at least equal to that of the discharged battery.

The two vehicles must not be in contact with each other.

Switch off all electricity-consuming equipment on both vehicles (audio system, wipers, lighting, etc.).

Make sure that the jump leads are well away from the engine’s moving parts (fan, belt, etc.).

Do not disconnect the (+) terminal while the engine is running.

Citroen C3. Starting using another battery

  • Lift the plastic cover on the (+) terminal, if the vehicle has one.
  • Connect the red cable to the (+) terminal of flat battery A (at the metal elbow), then to the (+) terminal of the backup battery B or of the booster.
  • Connect one end of the green or black cable to the (-) terminal of the backup battery B or of the booster (or to an earth point on the assisting vehicle).
  • Connect the other end of the green or black cable to the earth point C.
  • Start the engine on the assisting vehicle 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 immediately, switch off the ignition and wait a few moments before trying again.

  • Wait for it to return to idle.
  • Disconnect the jump leads in reverse order.
  • Refit the plastic cover to the (+) terminal, if the vehicle has one.
  • Allow the engine to run for at least 30 minutes, with the vehicle stationary, so that the battery reaches an adequate state of charge.

Citroen C3. Starting using another battery Driving immediately without having reached a sufficient level of charge may affect some of the vehicle's functionalities.

Citroen C3. Starting using another battery Some functions, including Stop & Start, are not available if the battery is not sufficiently charged.

    Accessing the battery

    The battery is located under the bonnet. For access to the (+) terminal: Release the bonnet by pulling the internal release lever, then the external safety catch...

    Charging the battery using a battery charger

    For optimum service life of the battery, it is essential to maintain an adequate state of charge. In some circumstances, it may be necessary to charge the battery: using the vehicle mainly for short journeys; if the vehicle is to be taken off the road for several weeks...

    Other information:

    Citroen C3 2016-2022 Owners Manual: Reinitialisation. Malfunction


    Reinitialisation The system must be reinitialised after any adjustment to the pressure of one or more tyres, and after changing one or more wheels. Before reinitialising the system, make sure that the pressures of the four tyres are correct for the conditions of use of the vehicle and conform to the values written on the tyre pressure label...

    Citroen C3 2016-2022 Owners Manual: Bonnet


    Stop & Start Before doing anything under the bonnet, you must switch off the ignition to avoid any risk of injury resulting from an automatic change to START mode. The location of the interior bonnet release lever prevents the bonnet being opened when the left-hand front door is closed...

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