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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 parking bays, and its durable cabin is more resistant to crashing than many of the more expensive rivals. But if your key fob has been bathed in soapy or salt water, it could not be working again, even after a fresh battery and updating. The internal chip has been damaged because of exposure to water. Water Damage Shake your key fob to get rid of as much water as you can. Lay it down with the button in the downward position and let it run off for a few minutes while you clean the inside with a soft cloth. This will prevent any condensation from causing damage to your electronic chip. If your Mk 2 Citroen Berlingo or Mk 3 Citroen Berlingo dashboard warning light, which looks like the symbol of a car key, appears to be lit, then it could indicate a fault with the immobilizer. This is a security function in the vehicle that prevents thieves from using hotwires. If this is the case then you need to see a Citroen dealership or trained mechanic to address the issue. A constant engine warning light could indicate that the electric power assisted steering is not working properly. If this is the situation, you should take the vehicle off the road and check the temperature and pressure in the engine before resuming the. If the issue persists then you must visit a Citroen dealer or a trained mechanic to fix the issue. Dead Battery A dead battery for your coin is the most common reason for your key fob to not function in your Berlingo. The button cell battery within the key is very simple to replace, but you should ensure that you choose the right voltage, size and type of battery. A non-compatible battery can damage the circuit board. A dead coin-cell battery can also disable anti-theft. This is a security measure that stops the engine from starting without the physical key. If citroen key replacement near me not responding to the lock button after replacing the battery It could be due to an unreliable receiver module that is not communicating with the other modules in your car. This can be confirmed using an OBDII scan tool. If the key fob still isn't responding, then you can try reprogramming the key fob. To do this, follow the directions in your owner’s manual. It should work as expected once it is reset to its original program. Diagnosis of a Fault The reliability of the Citroen Berlingo is generally loved by its owners. However, like all vehicles there are occasional issues that arise. A dead key fob is one of the most frequent issues. Fortunately, this is easy to identify and is easily replaced in just a few minutes. Other issues that can occur include a worn button or a water damage to the electronic chip, signal interference or a remote keyless system receiver module that has developed an issue. It is important to remember that not all key fob batteries are made to be the same. Some batteries are made of inferior materials and can damage the remote key fob, or other electronics in your vehicle. Make sure you use batteries of the same type and voltage as the original battery. Also, ensure that the new battery is fitted correctly. Make sure the positive (+) side of the battery is facing upwards when it is inserted into the battery slot. If you see an exclamation mark in the shape of an oval on the dashboard, it's a sign that there is an issue with the vehicle's electric power-assisted driver. If the warning light is illuminated while driving, it is recommended that you seek help from a qualified mechanic or Citroen Berlingo (incl Multispace) dealership. Radio Interference Radio interference could be the cause your key fob's not functioning at all. This issue can be caused by devices that operate on the same frequency as a remote control. Some wireless security systems, for instance LED lights that are sold aftermarket, may interfere with RF signals. If you have one of these devices at home, consider shifting them to a different area to see if they help. Environmental factors can also interfere with the key fob of a car in addition to other devices that operate on the same frequency. For instance, metal objects can influence the strength of the signal. Weather conditions that are rainy can cause the antenna of the fob to turn, which results in an weakened signal. In some instances even if the key fob is close to the vehicle it might not respond to radio signals. Examine the battery to ensure your key fob's health. It must be in good health and the contacts should be free of corrosion. Contacts that are damaged by corrosion are an important reason for key fobs not responding to the radio signals. A drained battery may cause the fob to malfunction. If you replace the battery but the problem persists, it's possible that the antenna is faulty. A professional locksmith can inspect the key fob and make the required repairs.