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Citroen Berlingo Key Fob Troubleshooting Citroen Berlingo Multispace fills a niche in the market for people carriers. Its sliding rear doors allow it to be squeezed into bay parking spaces and its durable cabin is more bashing-proof than many of the more expensive rivals. If your key fob was submerged in saltwater or soapy water It may not work again even after a new battery and reprogramming. This is because the internal chip has been damaged due to exposure to water. Water Damage After rescuing your key fob from whatever puddle, pool or washing machine it's been swimming in, clean it of as much water as possible by shaking it. Lay it on its back with the button facing downwards, and let it drain for a few minutes before wiping the inside with a soft cloth. This will prevent any condensation from damaging the electronic chip. If the warning light on your dashboard that looks like a car and has an image of a key illuminates on your Mk 2 or Mk 3 Citroen Berlingo then this could indicate an immobilizer fault. This is a security component in the vehicle to prevent thieves from hotwiring it. If this is the case, then you should consult a Citroen dealership or a certified mechanic to fix the issue. A constant engine warning light may indicate that the electric power assisted steering is malfunctioning. If this is the case you need to stop the car and test the temperature and pressure in the engine before starting it. If the issue continues, you'll need to consult a Citroen dealer or trained mechanic in order to resolve the issue. Dead Battery The most frequent reason for the key fob being inoperative in your Berlingo is a dead coin battery. The button cell battery in the key is very simple to replace, however you should ensure that you select the correct voltage, size and type of battery. A battery that isn't compatible could cause damage to the circuit board. A dead coin battery may also disable the anti-theft system. This is a security measure that stops the engine from being started without the physical key. If the key fob still not responding to the lock button despite replacing the battery it could be an incompatible receiver module that isn't communicating with other modules in your car. This can be diagnosed with an OBDII scan tool. If the key fob still isn't working, you may try reprogramming it. To do this, follow the instructions in your owner’s manual. After the device has been reprogrammed, your device should be working perfectly. Diagnostics of a fault Citroen Berlingo owners are generally pleased with the reliability of their vehicle. However, as with all vehicles there are a few issues that can arise. One of the most frequent is a dead battery on the key fob. Fortunately, it is simple to diagnose and can be fixed within a matter of minutes. Other causes include a worn-out button, water damage on the electronic chip or the signal being distorted or a remote receiver module with a fault. It is important to keep in mind that not all key fob batteries are created to be the same. Some batteries are made from inferior materials that could damage your remote or other electronics. When replacing the battery, make sure you use a battery that is of the same voltage and type as the original. Also, make sure citroen c1 car key replacement is properly fitted. When inserting the battery into the slot, ensure that the positive (+) face of the battery is facing towards the upward direction. If you notice an exclamation point in the shape of an oval on your dashboard, it indicates that there is a problem with your vehicle's electric power assisted driving. If the warning light is illuminated during driving, it is advised that you seek advice from a trained mechanic or Citroen Berlingo (incl Multispace) dealership. Radio Interference If your key fob stops functioning at all, it could be a result of radio interference. This is a problem that could be caused by devices that operate on the same frequency as remote controls. Certain wireless security systems, for instance LED lights that are sold aftermarket, may interfere with the RF signal. 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 affect the signal of a car's key fob. For instance, metal objects could interfere with the signal's strength. Weather conditions that are rainy can cause the antenna of the fob to be bent, resulting in an ineffective signal. In some cases, even when the fob's location is close to the vehicle, it may not respond to radio signals. To ensure that your key fob is functioning properly, check the battery. It must be in good working order and the contacts must be free of corrosion. Contacts that are corroded are a major cause of key fobs not responding to radio signals. A depleted battery could cause fobs to malfunction. If the issue persists after replacing the battery the antenna may be malfunctioning. A locksmith can look over the keyfob and make repairs.