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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 make it easy to squeeze into bay parking spaces and its robust cabin is more resistant to crashing than most upmarket rival offerings. But if your key fob has bathed in soapy or salt water, it might not function properly again – even after a new battery and updating. This is because the internal chip has been damaged by exposure to water. Water Damage Shake your key fob to get rid of as much water as you can. Then, place it with the button side facing up and allow it to drain for a few minutes while you wipe the inside using a cloth. This will stop any condensation from causing damage to the electronic chip. If the warning light on the dashboard that appears like a car and has the key symbol is on your Mk 2 or Mk 3 Citroen Berlingo then this could indicate an immobilizer fault. This is a security element inside the vehicle that prevents thieves from hotwiring it. If this is the case then you will need to see an Citroen dealer or a qualified mechanic to resolve the issue. A continuous engine warning light could indicate that the electric power assisted steering system is failing. If this is the situation, you should take the vehicle off the road and check the temperature and pressure of the oil before starting it. If the issue persists, you'll need to consult an expert Citroen technician or mechanic to resolve the issue. Dead Battery The most common reason for the key fob not working on your Berlingo is a dead battery for the coin. The button cell in the key can be replaced however, it is essential to use the right size, voltage and type of battery. A battery that is not compatible can cause damage to the circuit board. A dead coin battery could also disable the anti-theft system. This is a precautionary measure which prevents the engine from being started without a physical key. If the key fob still not responding to the lock button despite replacing the battery it could be an issue with the receiver module, which is not communicating with the other modules on your vehicle. A scanner for OBDII can detect this issue. If the key fob still is not responding, you could try reprogramming it. To do this, follow the instructions in your owner’s manual. After the device has been reprogrammed device should work perfectly. Diagnosis of a Fault Citroen Berlingo owners are generally satisfied with the reliability of their vehicle. However, like all vehicles, there are occasionally faults that do occur. One of the most common is a dead key fob battery. This is a simple problem to diagnose and can easily be fixed within a matter of minutes. Other problems that can arise 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 note that not all key fob batteries are made identical. Some batteries are made of inferior materials and could cause damage to your remote, or other electronics. Use only batteries of the same kind and voltage as the original battery. Also, make sure the new battery is properly fitted. Make sure that the positive (+) side of the battery faces upwards when it is inserted into the battery slot. If you see an indicator light on the dashboard of your car that appears to be an exclamation mark, it indicates that the vehicle has discovered an issue with its electronic power-assisted steering. If the warning light is illuminated while driving, it is advised that you seek advice from a certified mechanic or Citroen Berlingo (incl Multispace) dealership. Radio Interference Radio interference could be the cause your key fob's not working immediately. This is a problem that can be caused by devices using the same frequency as a remote control. For instance, certain wireless security systems, as well as aftermarket LED lights can interfere with radio signals. Try moving these devices to another area if you have them at home. In addition to devices that utilize the same frequency, there are environmental factors that could affect the signal of a car's key fob. Metal objects, like a car, can interfere with the signal strength. Rainy weather may also bend the antenna of the fob, resulting in a weaker radio signal. In some instances, the key fob may not be able to respond to radio signals even when it is close to the vehicle. Examine the battery to confirm your key fob's health. The battery should be in good working order and the contacts should not be damaged by corrosion. A corroded or damaged connection is the main reason why the fob's keypad does not respond to radio signals coming from the vehicle. A depleted battery may cause fobs to malfunction. If you replace the battery but the problem persists, it's a good indication that the antenna is not functioning properly. citroen key replacement TheKeyLab can inspect the key fob and make necessary repairs.