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Citroen Berlingo Key Fob Troubleshooting Citroen's Berlingo Multispace occupies a utilitarian space in the people carrier market. Its sliding doors at the rear make it easy to squeeze into parking bays, and its durable cabin is more resistant to crashing than many of the more expensive rivals. If your key fob was submerged in soapy water or saltwater it might not function again even after a new battery and reprogramming. The internal chip can be damaged due to exposure to water. Water Damage After getting your key fob back from whatever pool, puddle or washing machine it was swimming in, get rid of the most water you can by shaking it. Lay it flat with the button facing down and leave it to drain for a short time while you wipe the inside down using a cloth. This will stop any condensation from damaging your electronic chip. If your Mk 2 Citroen Berlingo or Mk 3 Citroen Berlingo dashboard warning light, which looks like an automobile key symbol is lit, it could be indicating an issue with the immobilizer. This is a security feature inside the vehicle that prevents thieves from hotwiring it. If this is the case you'll be required to visit an Citroen dealer or a certified mechanic to resolve the problem. A constantly flashing engine warning light could mean that the electronic power assisted steering system is failing. If this is the case then you need to stop the car and make sure whether the pressure of the oil is in good order and that the temperature is not too high before you restart it. If the issue continues, you will need to visit a Citroen dealership or a qualified mechanic to resolve the problem. Dead Battery A dead coin battery is the most frequent reason for your key fob to not work in your Berlingo. The button cell battery in the key is easy to replace, but it is important to ensure that you are using the correct voltage, size and type of battery. An uncompatible battery can harm the circuit. A dead coin battery may also disable the anti-theft system. This is a security feature that stops the engine from starting without the physical key. If the key fob does not respond to the lock button even after replacing the battery it could be because the receiver module has failed and not communicating with other modules in your vehicle. A scanner for OBDII can detect the issue. If the key fob isn't responding, you can try reprogramming it. To do this, follow the steps in your owner’s manual. It should work as expected once it has been reset to its original program. Diagnosis of a Fault Citroen Berlingo owners are generally pleased with the reliability of the car. Like all vehicles, problems can happen. A dead key fob is among of the most frequent problems. Fortunately, it is simple to diagnose and can be fixed in a few minutes. Other issues that can occur include a worn 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 keep in mind that not all key fob batteries are created equal. Some batteries are made of inferior materials and may damage your remote key fob or other electronic components in your car. When replacing the battery, only make sure that the battery is of the same voltage and type as the original. Make sure that the new one fits properly. When inserting the battery into the slot, make sure the positive (+) face of the battery is facing upwards. If you notice a warning light on your car's dashboard that looks like a triangle with an exclamation point, this indicates that your vehicle has identified a problem with its electric power-assisted steering. If citroen relay key fob is illuminated while you are driving and you notice it, we suggest that you seek out a qualified mechanic at the Citroen Berlingo dealer (incl Multispace). Radio Interference If your key fob has stopped functioning at all it could be a result of radio interference. This is a common issue caused by devices that use the same frequency as your remote control. Certain wireless security systems, like LED lights sold on the market, can interfere with the RF signal. If you have one of these devices at home, consider shifting them to a different area to see if it helps. In addition to devices that operate on the same frequency, there are also environmental factors that could hinder the operation of a key fob. For instance, metal objects may interfere with the signal's strength. Rainy weather can also alter the antenna of the fob, resulting in a weaker radio signal. In some cases, the key fob may not be able to receive radio signals even though it is close to the vehicle. To make sure that your key fob is in good health and functioning properly, test the battery. It should be in good shape, and the contacts should be free of corrosion. Contacts that are damaged by corrosion are the primary reason for a key fob that is not responding to the vehicle's radio signals. A depleted battery may cause a fob to malfunction. If you replace the battery, but the problem persists, it's a good indication that the antenna is faulty. A locksmith can examine the keyfob and fix it.