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Citroen C4 Key Fob Replacement The Citroen C4 Picasso is a small family car/compact SUV with some truly innovative features. It's large enough for five people and is an excellent way to travel around the city. Sometimes keys fobs stop working due to pairing issues. This problem may be resolved if instructions are followed. However, a professional equipped with special equipment is required for specific models of vehicles. Dead coin battery A dead battery is the most frequent problem that affects remote keys. It's a simple fix however. You only need to replace the coin-sized battery. These batteries are available at your local auto store and resemble small silver coins. After replacing the battery, then you'll be in a position to lock and unlock your vehicle. Interference is a different reason for why your key fob's device may not work. This could be due to many reasons, including weather conditions, objects, or other transmitters on the same frequency. If this happens, it may be necessary to take the ignition key and try again. Deprogramming your key fob could also be the cause of its failure to work. This can happen if the key is exposed to water or if it is not properly removed after replacing the battery. Typically, you can repair the programming of your car by following the steps in the owner's manual. If you are unable to do it do it, you can ask a dealer or professional locksmith to complete the task for you. Water damage Citroen C4 has a high level of reliability, yet it's still a complicated machine with hundreds interconnected parts. Like any other car it is likely to encounter periodic breakdowns from time to the time. In some cases the problem is easily resolved. However, in other instances you may need to visit a mechanic or call for help. The most frequent reasons why the C4's key fob stop working are a dead coin battery, water damage, signal interference and receiver module problems. Water damage can result from sweat or moisture on the circuit board. This could cause a short circuit in the circuit and cause an unresponsive keyfob or battery drain. To prevent this from happening, try to keep your key fob out from water or put it in a bag prior to using it. A multimeter is a tool to check the battery's voltage. A successful test will show values between 12 and 13. If your battery doesn't produce these numbers, then it may be defective. This means you'll need to replace the battery. Faulty receiver module A faulty receiver can cause the keyfob to cease working. This is a common problem for Citroen owners, as the key fob must send a signal through the door handle to open and start the vehicle. If the key fob is unable to send this signal, it won't work and must be replaced. This is usually handled by a technician or a dealership. Citroen C4 keys can malfunction for a variety of reasons. It could be the battery of your coin-cell is dead, damage to the signal or water. The first step in troubleshooting is to test the batteries on the key fob and look for obvious indications of damage. This can be done by opening the key fob then taking out the battery for a clearer view. Replace the battery if drained. Make sure the new one has the same voltage, size and specification. Also, ensure that the fob is properly snapped together before replacing it. Problematic 12 Volt Battery A lot of newer vehicles have key fobs which allow you to lock or unlock the vehicle remotely. These devices transmit a signal to the vehicle that controls the locks. They are powered by batteries. However, batteries can fail over time. The good news is the replacement battery is affordable and easy to install. You can pull the fob apart with a flat-bladed screwdriver. Or you can get instructions in the owner's manual. When replacing the battery, make sure that you're using the same size and type as the original. Different types of batteries have different voltages, which can cause the fob's function to cease or display a low battery alert. Also, make sure to position the battery in a way that the plus and minus marks correspond to the orientation of the original. This ensures that the chip is receiving the right signals. The issue could be due to a malfunctioning module. In this instance it is recommended to contact your dealer for further assistance and repairs. Unpaired keys require reconfiguration The remote for your car's ignition can fail to function due to several reasons. The majority of these issues can be easily and quickly fixed. Most often, a dead coin-cell battery is the cause. This can be easily replaced in just a few seconds at most auto parts shops. It is crucial that the new battery be installed correctly. Metal clips for retaining must be properly tightened and contacts of the battery need to be cleaned. citroen key replacement cost or signal interference is another possibility. If the key fob isn't receiving a strong enough signal from the receiver, it will not be able to lock or unlock doors and start the car or use the hands-free system. In these cases you can reset the receiver by disconnecting the battery for a couple of minutes. Smart keys are more expensive and can cost up to $500 to replace. They are equipped with a security chip that disables the immobiliser in your vehicle. To avoid these costs it's best to have at least two keys that work for your C4. This key fob for replacement is refurbished with new internal parts and tested before being shipped to you.