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Citroen C4 Key Fob Replacement The Citroen C4 Picasso, a small family vehicle/compact SUV It has some really innovative features. It's spacious enough for five people and is a great way to get around town. Sometimes, a key fob stops functioning due to pairing issues. This issue can be resolved if instructions are followed. However, a professional with specialized equipment is needed for specific models of vehicles. Dead coin battery The most common problem with remote key fobs is a dead battery. It is an easy fix, however. You'll only need to replace the battery with a coin size. The batteries are available at the local auto store and look like small silver coins. After replacing the battery, your car should be able unlock and lock. Interference is another reason that your key fob may not work. It can be caused by various reasons, including objects, weather conditions, or other transmitters operating at the same frequency. If this happens it is possible for you to unplug the ignition key and try again. Another reason why your key fob may not function could be that the device has been deprogrammed. This could occur when the key is exposed to water, or the battery isn't removed correctly after the key is replaced. You can usually restore the programming by following the guidelines in the owner's manual. If citroen berlingo car keys 're not able to, you can visit a dealer or professional locksmith to do it for you. Water damage Citroen C4 has a high level of reliability, however it's still a complicated machine that has hundreds of interconnected parts. Like all cars, it may have occasional breakdowns from time time. In some cases, the issue is easily resolved. In other cases it is possible to visit a mechanic or seek assistance. The most frequent reasons the C4's key fob ceases functioning are dead battery and signal interference, water damage and receiver module problems. Water or sweat on the circuit board of the key fob could cause water damage to the circuit board of the key fob. The circuit could be tripped and cause a dead keyfob or battery drain. Keep your key fob away from the water and in the plastic bag. A multimeter can be used to measure the voltage of your battery. A successful test will yield values between 12 and 13. If your battery isn't generating these values, it could be defective. This means that you'll require replacing the battery. The receiver module is not working properly. A faulty receiver module can cause the key fob's functionality to cease. This is a frequent issue for Citroen owners, as the key fob is required to transmit a signal to the door handle to allow the door to be opened and start the car. The key fob won't work if it does not transmit the signal. It must be replaced. This can be carried out at a dealership for vehicles or by an experienced mechanic. There are several different possibilities for problems with your Citroen C4 key fob. This can be an empty coin-cell battery, signal interference or water damage. To begin troubleshooting, test the batteries of the key fob, and look for any obvious signs. This can be done by opening the key fob, then removing the battery to gain a better view. If you discover a depleted battery, replace it with a new one. Make sure that the new battery has the same size, voltage and specifications. Make sure that you fully connect the fob before replacing it. Faulty 12 volt battery Many newer cars have key fobs that let you to lock or unlock the vehicle remotely. These devices send signals to the vehicle to control the locks. They are powered by batteries. Batteries are susceptible to failure over time. The good news is the replacement battery is inexpensive and easy to install. You can pull the fob off with a flat-bladed screwdriver. Or you could find instructions in your owner's manual. When replacing the battery, be sure you're using a replacement battery of the same size and type as the original. Different types of batteries have different voltages, which could cause the fob to stop functioning or display a low battery alert. Be sure to align the battery in such a way that the plus and negative signs are aligned with the original orientation. This will ensure that the chip is receiving the proper signals. The problem could also be caused by a defective module. In this instance, it is recommended to contact the dealer for further advice and repairs. Keys that are not paired require reconfiguring Car key remotes might fail to function for various reasons. Fortunately, the majority of these problems are fixable quickly and easily. Most of the time an inoperable coin-cell battery is the reason. It can be replaced in a matter of moments at most auto parts shops. It's important that the new battery be installed correctly. Metal retaining clips need to be tightened correctly and the battery contacts must be clean. A malfunctioning receiver module or signal interference, is a different possibility. If the key fob does not receive a strong signal from the receiver it could not lock or unlock the doors either, start the vehicle or operate the hands-free system. In these instances, you can reset the receiver by removing the battery for a few minutes. Smart keys are more expensive and cost as high as $500 to replace. They are equipped with a security chip that disables the standard immobiliser of your vehicle. To avoid these high costs it's recommended to have at least two keys that work for your C4. This replacement remote key fob case is updated with brand new internal parts and tested before being shipped to you.