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Citroen Berlingo Key Fob Troubleshooting Citroen's Berlingo Multispace occupies a utilitarian market in the people-carrier market. Its sliding rear doors allow it to be squeezed into parking bays and its sturdy cabin is more resistant to crashing than the most expensive rivals. But if your key fob was exposed to soapy or salt water, it could not be working again, even after a new battery and changing the program. This is because the internal chip has been damaged due to exposure to water. Water Damage Shake your key fob to get rid of as much water as you can. Lay it on its back with the button facing downwards, and let it drain for a couple of minutes while you wipe down the inside with a soft cloth. This will prevent any condensation from causing damage to the electronic chip. If the warning light on your dashboard that looks like a car with an image of a key is on your Mk 2 or Mk 3 Citroen Berlingo then this could be a sign of an immobilizer fault. This is a security feature in the vehicle that prevents thieves from using hotwires. If this is the case you'll be required to visit a Citroen dealer or a trained mechanic to address the issue. A constant engine warning light may indicate that the electric power assisted steering is not working properly. If this is the case then you must stop the vehicle and check the temperature and pressure in the engine before resuming the. If the issue persists, you'll need to visit an expert Citroen technician or mechanic in order to resolve the issue. Dead Battery A dead battery for your coin is the most common reason for your key fob to not work in your Berlingo. The button cell battery within the key is easy to replace, however you should ensure that you use the correct voltage size, type and size of battery. A cell that is not compatible can cause damage to the circuit. citroen c3 car key fob replacement can also disable the anti-theft system. This is a safety measure that prevents the engine being started without an actual key. If the key fob is still not responding to the lock button after replacing the battery it could be due to an incompatible receiver module that isn't communicating with other modules on your vehicle. This can be confirmed using an OBDII scan tool. If the key fob still isn't responding, then you could try reprogramming it. To do this, follow the guidelines in the manual for your owner. It should work as expected once it is changed. Diagnostics of a fault The reliability of the Citroen Berlingo is generally highly praised by its owners. Like all vehicles, problems can happen. One of the most frequent is the battery for the key fob that is dead. This is a straightforward issue to determine and can be fixed in a matter of minutes. Other issues that could occur are a worn button or a water damage to an electronic chip, signal interference, or a remote keyless system receiver module that has developed an issue. It is crucial to understand that not all keyfob batteries will be the same. Some batteries are made of inferior materials and may damage the remote key fob, or other electronics in your vehicle. When replacing the battery, only make sure you use a battery of the same type and voltage as the original. Make sure that the new battery fits properly. Make sure the positive (+) side of the battery faces upwards when inserted into the battery slot. If you notice a warning light on the dashboard of your car that resembles an exclamation mark, this signifies that the vehicle is detecting an issue with its electric power-assisted steering. If the warning light appears when you drive and you notice it, we suggest that you seek out a certified mechanic at the Citroen Berlingo dealer (incl Multispace). Radio Interference If your key fob isn't functioning at all it could be as a result of radio interference. This issue can be caused by devices operating on the same frequency as a remote control. For instance, some wireless security systems and LED lights can interfere with radio signals. If you own any of these devices at home, you can try moving them to a different room to see if they help. Environmental factors can also interfere with the key fob on a car in addition to other devices that use the same frequency. Metal objects, for instance can affect the signal strength. In addition, rainy weather can cause the antenna of the key fob to bend, which can result in a weaker signal. In some cases, the key fob may not be able to respond to radio signals even if it is close to the vehicle. Check the battery to ensure the health of your key fob. The battery is in good condition and the contacts shouldn't be damaged by corrosion. A damaged or corroded contact can be an important reason for the fob's key not responding to radio signals. A depleted or damaged battery can cause the fob to malfunction. If the problem persists after replacing the battery, the antenna might be damaged. A locksmith can examine the keyfob to make repairs.