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Citroen Berlingo Key Fob Troubleshooting Citroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding rear door makes it easy to fit into bay parking spaces, and its tough cabin is more durable than many of the more expensive competitors. If your key fob was submerged in saltwater or soapy waters the device may not function again even after a new battery and reprogramming. The internal chip is 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 the most water you can by shaking it. Lay it on the floor with the button down and let it drain for a few minutes before wiping the inside with a soft cloth. This will stop any condensation from causing damage to the electronic chip. If the warning light on your dashboard that looks like a car, with the key symbol is on your Mk 2 or Mk 3 Citroen Berlingo then it could indicate an immobilizer fault. This is a security component within the vehicle to deter thieves from hotwiring it. If this is the case you'll be required to visit a Citroen dealer or a certified mechanic to address the issue. A constant engine warning light could mean that the electric power-assisted steering is in trouble. If this is the case you need to take the vehicle off the road and check the temperature and pressure of the oil before resuming the. If the issue persists then you should visit a Citroen dealer or a trained mechanic to fix the problem. Dead Battery A dead battery in the coin is the most frequent reason for your key fob to not work in your Berlingo. The button cell battery that is in the key is very easy to replace, but you should ensure that you use the correct voltage and size battery. A battery that is not compatible can cause damage to the circuit board. A dead coin-cell battery can also disable the anti-theft feature. This is a security measure that prevents the engine being started without a physical key. If the key fob doesn't respond to the lock button, even after replacing the battery it could be that the receiver module is damaged and not communicating with other modules in your vehicle. This can be diagnosed with an OBDII scan tool. If the key fob still isn't responding, you can try reprogramming it. To do this, follow the instructions in the manual for your owner. Once the device is reprogrammed device should function perfectly. Fault Diagnosis Citroen Berlingo owners are generally satisfied with the vehicle's reliability. However, as with all vehicles there are a few issues that do occur. One of the most frequent is an inoperable key fob battery. This is a simple problem to determine and can be repaired in just a few minutes. Other problems include a worn-out button, water damage on the electronic chip or signal, interference or a remote system receiver module that has a problem. It is important to note that not all key fob batteries are identical. Certain batteries are made of inferior materials that can damage your remote or other electronic components. When replacing the battery, you should make sure the replacement battery is of the same type and voltage as the original. Also, make sure that the new battery is installed correctly. Make sure that the positive (+) side of the battery is facing upwards when it is placed in the battery slot. If you notice an exclamation point in the shape of an equilateral triangle on your dashboard, it means that there is a problem with the vehicle's electric power-assisted driver. If this warning light comes on while you are driving and it is not able to be removed, we recommend you speak with a certified mechanic at an Citroen Berlingo dealer (incl Multispace). Radio Interference Radio interference could be a cause of your key fob not functioning at all. This is a common issue caused by devices that use the same frequency as your remote control. Some wireless security systems, such as LED lights from the aftermarket, could interfere with RF signal. If you have any of these devices at home, consider moving them to another room to see if it helps. In addition to devices that use the same frequency, there are also environmental factors that can interfere with a car's key fob. Metal objects, for instance can affect the signal strength. Rainy weather can also cause the antenna of the key fob to bend, which can result in an ineffective signal. In some cases, the key fob may not respond to the radio signals even though it is close to the vehicle. To make sure that your key fob is in good health make sure you check the battery. It must be in good working order, and the contacts should be free of corrosion. replacement car keys citroen that are damaged by corrosion are an important reason for the fob's key not responding to the radio signals. A drained battery can cause the fob to malfunction. If you replace the battery, but the problem persists, it's likely that the antenna is not functioning properly. A professional locksmith will inspect the key fob and make necessary repairs.