Peugeot 2008: In the event of a breakdown / 12 V battery / Accessory battery

Procedure for starting the engine using another battery or for charging a discharged battery.

Lead-acid starter batteries

These batteries contain harmful substances (sulphuric acid and lead).

They must be disposed of in accordance with regulations and must never under any circumstances be discarded with household waste.

Take used remote control batteries and vehicle batteries to a special collection point.

Protect your eyes and face before handling the battery.

All operations on the battery must be carried out in a well ventilated area and away from naked flames and sources of sparks, to avoid any risk of explosion or fire.

Wash your hands afterwards.

Electric motor

Flat accessory battery

It is no longer possible to start the motor or recharge the traction battery.

Precautions before working on the accessory battery

Select mode P, switch off the ignition, check that the instrument panel is off and that the vehicle is not plugged in.

Recharging the accessory battery

You must not recharge the battery without first disconnecting the terminals and removing the battery from the motor compartment.

Do not disconnect the battery terminals while the READY indicator lamp is lit, or while the vehicle is charging.

Jump-starting another vehicle

Do not use the accessory battery to jump-start another vehicle or to charge another vehicle’s battery.

Access to 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.
  • Raise the bonnet.

(+) Positive terminal.

This terminal has a quick-release clamp.

(-) Negative terminal.

As the battery’s negative terminal is not accessible, a remote earth point is located facing the 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.

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.

  • 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.

Driving immediately without having reached a sufficient level of charge may affect some of the vehicle’s functionalities.

With an automatic gearbox, never try to start the engine by pushing the vehicle.

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.

Contact a PEUGEOT dealer or a qualified workshop.

To charge the vehicle’s battery yourself, use only a charger compatible with lead-acid batteries with a nominal voltage of 12 V.

Follow the instructions provided by the manufacturer of the charger.

Never reverse polarities.

It is not necessary to disconnect the battery.

  • Switch off the ignition.
  • Switch off all electrical consumers (audio system, lighting, wipers, etc.).

  • Switch off charger B before connecting the cables to the battery, so as to avoid any dangerous sparks.
  • Ensure that the charger cables are in good condition.
  • Lift the plastic cover on the (+) terminal, if the vehicle has one.
  • Connect the cables of charger B as follows:
    • the positive (+) red cable to the (+) terminal of battery A,
    • the negative (-) black cable to earth point C on the vehicle.
  • At the end of the charging operation, switch off charger B before disconnecting the cables from battery A.

If this label is present, use only a 12 V charger to avoid causing irreversible damage to the electrical components related to the Stop & Start system.

Never try to charge a frozen battery — risk of explosion!

If the battery has frozen, have it checked by a PEUGEOT dealer or by a qualified workshop who will verify that the internal components have not been damaged and that the case has not cracked, which would mean a risk of toxic and corrosive acid leaking.

Disconnecting the battery

In order to maintain an adequate state of charge for starting the engine, it is recommended that the battery be disconnected if the vehicle is taken out of service for a long period.

Before disconnecting the battery:

  • Close all openings (doors, boot, windows, roof).
  • Switch off all electrical consumers (audio system, wipers, lighting, etc.).
  • Switch off the ignition and wait for 4 minutes.

At the battery, it is only necessary to disconnect the (+) terminal.

Quick-release terminal clamp

Disconnecting the (+) terminal

  • Depending on equipment, lift the plastic cover on the (+) terminal.
  • Raise lever A fully to release clamp B.
  • Remove clamp B by lifting it off.

Reconnecting the (+) terminal

  • Raise lever A fully.
  • Refit the open clamp B on the (+) terminal.
  • Push clamp B fully down.
  • Lower lever A to lock clamp B.
  • Depending on equipment, lower the plastic cover on the (+) terminal.

Do not force the lever as locking will be impossible if the clamp is not positioned correctly; start the procedure again.

After reconnection

After reconnecting the battery, turn on the ignition and wait 1 minute before starting the engine, to enable the electronic systems to initialise.

If minor problems nevertheless persist following this operation, contact a PEUGEOT dealer or a qualified workshop.

Referring to the relevant section, reset certain equipment:

  • Remote control key or electronic key (depending on version).
  • Sunroof and electric sun blind.
  • Electric windows.
  • Date and time.
  • Preset radio stations.

The Stop & Start system may not be operational during the trip following the first engine start.

In this case, the system will only be available again after a continuous period with the vehicle immobilised, the duration of which depends on the exterior temperature and the state of charge of the battery (up to about 8 hours).

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