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Citroen C4 Key Fob Replacement The Citroen C4 Picasso, a compact SUV for small families that is truly innovative, comes with some great features. It has decent space for five people, and it's an excellent vehicle for getting around town. Sometimes, a keyfob may cease to function because of pairing issues. If you follow the steps correctly, the issue can be fixed quickly. For certain vehicles, a professional will be required with specialized tools. Dead coin battery A dead battery is the most frequent problem that affects remote keys. It is a simple fix, however. You'll only need to replace the battery in the shape of a coin. These batteries look like little silver coins, and are available at your local automotive store. After you replace the battery, your car should be able unlock and lock. Another reason why your key fob might not work is because of interference. This could be due to many reasons, including objects, weather conditions or other transmitters operating at the same frequency. If this happens, it might be necessary to remove the ignition key and try again. Another reason why your key fob won't work could be because the fob is not programmed properly. This can happen if your key is exposed to water, or if it is not properly removed after replacing the battery. Usually, you can restore the programming of your car by following the guidelines provided in the owner's guide. If you're not able to resolve the issue, you can contact a dealer or professional locksmith to help you. Water damage The Citroen C4 is a highly reliable car, but it's still a machine with hundreds of interconnected components. Like any other car it can suffer a breakdown from time to moment. In some instances the issue can be easily resolved. In some instances it is necessary to contact a professional for assistance or see an expert. The most frequent reasons why the C4's key fob ceases working are dead coin battery, signal interference, water damage and issues with the receiver module. Moisture or sweat on the circuit board of the key fob could cause water damage to the circuit board of the key fob. This can cause the circuit to short, leading to the battery draining or dead key fob. To avoid this happening, try to keep your key fob safe from water or put it in a bag before using it. You can also test the voltage of your battery by using a multimeter. A successful test will yield numbers between 12 and 13 If your battery doesn't produce these values, it may be defective. This means you'll have to change the battery. Faulty receiver module A faulty receiver module can cause the key fob to stop working. Citroen owners often encounter this issue because the keyfob must send a signal to the door handle in order to unlock the vehicle and start it. If the key fob is unable to transmit this signal, it won't work and needs to be replaced. This is usually done at a vehicle dealership or by a professional mechanic. There are several different issues that could happen with your Citroen C4 key fob. This can be the battery of your coin-cell is dead, damage to the signal or water. To begin troubleshooting the issue, test the battery of your key fob and check for obvious signs. This can be done by opening the keyfob and removing its battery to have a better view. Replace the battery in case it is depleted. Make sure that the new battery has the same voltage, size and specification. Also, make sure the fob is properly attached prior to replacing it. A faulty 12 volt battery Many modern vehicles come with key fobs that let you to lock or unlock the vehicle remotely. These devices send signals to the car to control the locks and use battery power to operate. However, citroen car key replacement cost uk can fail over time. The good news is that the replacement battery isn't expensive and easy to replace. You can use a screwdriver with a flat blade to break the fob or the owner's manual may have instructions on how to do it. Replace the battery with one of the same size and type as the original. Different kinds of batteries have different voltages, which can cause the fob to stop functioning or display a low battery warning. Be sure to position the battery in that the positive and negative indicators are aligned with the original orientation. This will ensure that the chip receives the right signals. The issue could be caused by a faulty module. In this scenario, you should contact your dealer for additional diagnostics and repairs. Unpaired key that requires the reprogramming The remote for the car key can fail to function due to several reasons. Most of these issues are easily and quickly fixable. The most frequent cause is an old coin battery, which can be replaced in just a few minutes at many auto parts stores. However, it is important to ensure that the new battery is correctly installed. Metal clips for retaining must be tightened properly and the contacts of the battery must be cleaned. A faulty receiver module, or signal interference is a second 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 or start the car, or use the hands-free system. In these situations you can reset the receiver by disconnection of the battery for a short period of time. Smart keys, which include an integrated security chip that disables the vehicle's standard immobiliser they are more expensive than traditional metal keys and can cost up to $500 to replace. To avoid the high cost it's a good idea to have at least two keys working for your C4. The key fob replacement is repaired and tested using new internal components before being shipped to you.