Renault Koleos Owners Manual: Battery: troubleshooting

Renault Koleos Owners Manual / Practical advice / Battery: troubleshooting

To avoid all risk of sparks:

  • Ensure that any consumers (courtesy lights, etc.) are switched off before disconnecting or reconnecting the battery;
  • when charging, stop the charger before connecting or disconnecting the battery;
  • to avoid creating a short circuit between the terminals, do not place metal objects on the battery;
  • always wait at least one minute after the engine has been switched off before disconnecting a battery;
  • make sure that you reconnect the battery terminals after refitting.
Before performing any action in the engine compartment, the ignition must be switched off by pressing the engine stop button.

Connecting a battery charger

The battery charger must be compatible with a battery with nominal voltage of 12 volts.

Do not disconnect the battery when the engine is running. Follow the instructions given by the manufacturer of the battery charger you are using.

Special procedures may be required to charge some batteries. Contact your approved dealer.

Avoid all risk of sparks which may cause an immediate explosion, and charge the battery in a well-ventilated area. Risk of serious injury.


Handle the battery with care as it contains sulphuric acid, which must not come into contact with eyes or skin. If it does, wash the affected area with plenty of cold water. If necessary, consult a doctor.

Ensure that naked flames, red hot objects and sparks do not come into contact with the battery as there is a risk of explosion.

The engine may be hot when carrying out operations in close proximity.

In addition, the engine cooling fan can come on at any moment.

Risk of injury.

Starting the vehicle using the battery from another vehicle

If you have to use the battery from another vehicle to start, obtain suitable jump leads (with a large cross section) from an approved dealer or, if you already have jump leads, ensure that they are in perfect condition.

The two batteries must have an identical nominal voltage of 12 volts. The battery supplying the current should have a capacity (amp-hours, Ah) which is at least the same as that of the discharged battery.

Ensure that there is no risk of contact between the two vehicles (risk of short circuiting when the positive terminals are connected) and that the discharged battery is properly connected. Switch off your vehicle ignition.

Start the engine of the vehicle supplying the current and run it at a moderate speed.

Starting the vehicle using the battery from another vehicle

Lift the cover and then the red terminal cap 1 (+).

Connect the positive cable A to the terminal 1 (+), then to the terminal 4 (+) of the battery supplying the current.

Connect the negative cable B to the terminal 3 (-) of the battery supplying the current and then to the terminal 2 (-).

Start the engine, and as soon as it starts running, disconnect cables A and B in reverse order ( 2 - 3 - 4 - 1).

Check that there is no contact between leads A and B and that the positive lead A is not touching any metal parts on the vehicle supplying the current.

Risk of injury and/or damage to the vehicle.



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