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Citroen Berlingo Key Fob Troubleshooting Citroen's Berlingo Multispace occupies a utilitarian space in the people carrier market. Its sliding rear door makes it easy to fit into bay parking spaces and its sturdy cabin can withstand more abuse than many upmarket rivals. But if your key fob has bathed in soapy or salt water, it might not function properly again – even after a new battery and changing the program. The internal chip can be damaged due to exposure to water. Water Damage After getting your key fob back from whatever puddle, pool or washing machine it was being a part of, rid it of as much water as possible by shaking it. Lay it flat with the button facing down and let it dry for a short time while you wipe the inside using a towel. This will prevent any condensation from damaging your electronic chip. If the warning light on the dashboard that appears like a car, with a key symbol in it illuminates on your Mk 2 or Mk 3 Citroen Berlingo then this could be a sign of an immobilizer problem. This is a security feature within the vehicle to deter thieves from hotwiring it. If this is the case then you need to visit an Citroen dealership or a certified mechanic to address the issue. A constant warning light could indicate that the power-assisted steering has a problem. If this is the case, then you should stop the car and check that the oil pressure is ok and that the temperature isn't overly high prior to restarting it. If the problem continues to persist then you must visit a Citroen dealer or a trained mechanic to fix the problem. Dead Battery The most common cause of the key fob not working inside your Berlingo is the battery in the coin is dead. www.g28carkeys.co.uk inside the key is easy to replace, but you should ensure that you choose the right voltage size and type of battery. A cell that is not compatible can cause damage to the circuit. A dead battery for a coin-cell could also disable the anti-theft feature. This is a security feature that stops the engine from being started without a physical key. If the key fob does not respond to the lock button after replacing the battery it could be because the receiver module is damaged and is not communicating with other modules in your vehicle. An OBDII scanner can help diagnose the issue. If the key fob is still not responding, you can try reprogramming. Follow the instructions in your owner's manual for this procedure. After the device has been reprogrammed device should function perfectly. Troubleshooting The reliability of the Citroen Berlingo is generally praised by its owners. However, as with any vehicle there are some issues that can arise. A dead key fob is one of the most common problems. This is a simple problem to determine and can be fixed in just a few minutes. Other issues that could arise include a worn-out button or button, water damage to the electronic chip, signal interference, or a remote keyless system receiver module that has developed a fault. It is important to note that not all key fob batteries are created to be the same. Some batteries are constructed from inferior materials, which can cause damage to your remote as well as other electronic. Make sure to use only batteries that are the same size and voltage as the original battery. Make sure that the new one fits correctly. When inserting the battery into the slot, ensure that the positive (+) face of the battery is facing towards the upward direction. If you see an exclamation mark in the form of the shape of a triangle on your dashboard, it means that there is a problem with your vehicle's electric power assisted driving. If this warning light illuminates while you are driving and you notice it, we suggest that you seek out a certified mechanic at an Citroen Berlingo dealer (incl Multispace). Radio Interference If your key fob has stopped working at all it could be the result of radio interference. This is a frequent issue caused by devices that operate on the same frequency as your remote control. Certain wireless security systems, like LED lights aftermarket, can interfere with RF signals. Move these devices to another room if you have them at home. In addition to devices that use the same frequency, there are environmental factors that could hinder the operation of a key fob. Metal objects, like a car could interfere with the strength of the signal. Rainy weather may also bend the antenna of the fob, resulting in a weaker radio signal. In some cases, even when the key fob is close to the car, it may not respond to radio signals. To ensure that your key fob is functioning properly and functioning properly, test the battery. It must be in good working order, and the contacts should be free of corrosion. A damaged or corroded contact can be an important reason for the fob's key not responding to the radio signals. A depleted battery may cause the fob to malfunction. If the problem persists after replacing the battery, the antenna might be damaged. A locksmith can inspect the keyfob and make repairs.