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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 big enough to accommodate five people, and is a great way to get around town. Sometimes, a key fob stops working due to pairing issues. If you follow the instructions correctly, the issue can be resolved easily. For certain vehicles, a professional will be required with special tools. Dead coin battery A dead battery is the most frequent problem that affects remote keys. However, it is a simple solution. All you have to do is replace the battery in the coin. These batteries look like little silver coins and can be found in your local automotive shop. After you have replaced the battery, your vehicle will be able to open and lock. Another reason why your key fob may not function is due to interference. This can be caused by various factors, including objects, weather conditions, or other transmitters operating at the same frequency. If this happens it is possible for you to remove the ignition key and try again. Deprogramming your key fob could be a reason for the key's inability to function. This could happen when the key has been exposed to water, or if the battery isn't removed properly after the key is replaced. You can usually fix the programming by following the guidelines in the owner's manual. If you are unable to do it resolve the issue, you can contact a dealer or professional locksmith to do it for you. Water damage Citroen C4 has a high level of reliability, but it's still a complex machine with hundreds of interconnected parts. Like all cars it is likely to have periodic breakdowns from time to time. In replacement key for citroen c1 www.thekeylab.co.uk is fixable. In some instances you might need to call for help or visit a mechanic. The most common reasons for the C4 key fob not working are an unresponsive coin battery, water damages, signal interference and receiver module problems. Water damage can be caused by sweat or moisture on the circuit board. This can short the circuit and cause an unresponsive keyfob or battery drain. To avoid this happening, try to keep your key fob from water or put it in a bag before using it. A multimeter can be used to test the voltage in your battery. A successful test will reveal values that range from 12 to 13. If your battery isn't generating these values, it could be defective. This means you'll have to change the battery. A malfunctioning receiver module A malfunctioning receiver module could cause the key fob to stop working. Citroen owners are often faced with this issue, because the keyfob has to send a signal to the door handle in order to unlock and begin the vehicle. If the key fob is unable to send this signal, it will not function and will need to be replaced. This can be carried out at a dealership for vehicles or by an experienced mechanic. There are a variety of possibilities for problems with your Citroen C4 key fob. These include a dead battery or water damage, signal interference or a damaged electronic chip. The first step to troubleshoot is to test the batteries on the key fob and look for obvious indications of damage. This can be done by taking the keyfob apart and removing its battery to take a closer look. Replace the battery if it is drained. Make sure that the new battery has the same voltage, size and specifications. Also, make sure that the fob is completely joined before replacing it. Poor 12 volt battery The majority of newer cars have key fobs that allow you to lock and unlock your vehicle from some distance. These devices send an electronic signal to the vehicle that controls the locks. They are powered by batteries. However, the batteries could fail over time. The good news is the replacement battery isn't expensive and easy to install. It is possible to pry the fob off with a flat-bladed screwdriver. Or you can find the instructions in the owner's manual. When replacing the battery, be sure that you're using a battery of the same size and type as the original. Different batteries can have different voltages, which could cause your fob to stop functioning or display a low-battery message. Make sure you also align the battery in that the plus and negative numbers correspond to the initial orientation. This will ensure that the chip receives the right signals. The problem could also be due to a malfunctioning module. In this scenario, it is recommended that you contact the dealer for further diagnosis and repairs. Unpaired key requiring programming Car key remotes might stop working for a variety of reasons. Fortunately, most of these issues are fixable quickly and easily. The most common reason is an old coin battery, which can be replaced in a couple of minutes at most auto parts stores. It is crucial that the new battery is installed correctly. Metal clips for retaining should be tightened in a proper manner and the battery's contact points should be clean. A malfunctioning receiver module or signal interference is another possibility. If the key fob is not receiving a strong enough signal from the receiver, it may not lock or unlock doors or start the car, or operate the hands-free system. In such cases you can reset the receiver by disconnecting the battery for a short period of time. Smart keys, which contain an integrated security chip that disarms the vehicle's immobiliser system is more expensive than traditional keys made of metal and can cost as much as $500 to replace. It is recommended to have two keys that work for your C4 in order to avoid these high costs. This replacement remote key fob has been rebuilt and tested with brand new internal components before being sent to you.