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Citroen C4 Key Fob Replacement The Citroen C4 Picasso, a compact SUV that is small for a family is packed with truly innovative features. It's spacious enough to hold five people, and is a great vehicle to get around the city. Sometimes, a keyfob can cease to function due to pairing issues. If you follow the steps correctly, this problem can be fixed quickly. For certain vehicles, a technician will be required with specialized tools. citroen key programming tool with remote key fobs is the battery being dead. However, it is a simple solution. You only need to replace the battery in the shape of a coin. These batteries can be found at your local auto retailer and look similar to small silver coins. Once you've replaced the battery, then you'll be in a position to lock and unlock your vehicle. Interference is another reason that your key fob might not work. This can be caused by various factors, including weather conditions, objects or other transmitters operating on the same frequency. If this happens, it could be necessary to remove the key from the ignition and try again. The deprogramming of your key fob may be a reason for its failure to work. This could occur if the key has been exposed to water, or the battery isn't removed correctly after replacing the key. You can usually restore the programming by following the instructions in the owner's manual. If you're unable to do this, you can consult a professional locksmith dealer to assist you. Water damage The Citroen C4 is a highly reliable car, but it's a vehicle with hundreds of interconnected components. It's not unusual for a Citroen C4 to experience a malfunction. In some cases the issue is easily solved. In other cases you might need to call for assistance or visit a mechanic. The most common reasons for the C4 key fob not working are the battery being dead, water damage, signal interference and receiver module issues. Water damage can be caused by sweat or moisture on the circuit board. This can cause the circuit to become shorted, which can lead to the battery draining or even a dead key fob. To avoid this happening, make sure to keep your key fob from water, or place it in a plastic bag prior to using it. A multimeter is a tool to check the battery's voltage. A successful test will produce numbers between 12 and 13 If your battery isn't producing these numbers, it may be defective. This means that you'll need to replace the battery. A malfunctioning receiver module A defective receiver module could cause the key fob to stop functioning. Citroen owners often encounter this issue because the key fob must send an indication to the door handle to unlock the vehicle and start it. The key fob won't work if it does not transmit the signal. It needs to be replaced. This is usually performed at a car dealership or by an expert mechanic. Citroen C4 keys can malfunction due to a variety of reasons. It could be an empty coin-cell battery, damage from water or signal interference. To begin troubleshooting, check the batteries on 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 find a drained battery Replace it with a new one. Make sure that the new battery is of the same size, voltage and specification. Also, make sure that the fob is completely connected prior to replacing it. A faulty 12 Volt battery A lot of newer vehicles have key fobs which allow you to lock or unlock your vehicle remotely. These devices send a signal to the car to control the locks. They use battery power to operate. Batteries may fail over time. The good part is that the replacement battery is inexpensive and easy to replace. You can use a screwdriver with a flat blade to open the fob or the owner's manual might have instructions on how to do it. Replace the battery with one of the same size and type as the original. Different types of batteries come with different voltages, which can cause the fob to stop working or display a low battery alert. Also, remember to orient the battery in a way that the plus and minus indicators match the orientation of the original. This will ensure that the chip is receiving correct signals. The problem could also be caused by a faulty module. In this situation, it is recommended that you contact the dealer to discuss further diagnosis and repairs. Unpaired key that requires Reprogramming Car key remotes might not function for a variety of reasons. Most of these problems are easily and quickly repaired. The most common reason is a dead coin battery which can be replaced in just a few minutes at many auto parts stores. But, it's crucial to ensure that the new battery is correctly installed. Metal retaining clips must be tightened properly and the battery contacts should be clean. Another possibility is that of a damaged receiver module or signal interference. If the key fob is not receiving a sufficient signal from the receiver, it could not be able to lock or unlock doors or start the car, or operate the hands-free feature. In these instances, you should try to reset the receiver by disconnecting the battery for a short period of time. Smart keys, that have an integrated security chip that disarms the vehicle's immobiliser system They are more expensive than traditional keys made of metal and can cost upwards of $500 to replace. To avoid these costly costs it's a good idea to have at least two keys that work for your C4. This key fob replacement for the remote is rebuilt and tested with brand new internal components prior to being shipped to you.