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Citroen C4 Key Fob Replacement The Citroen C4 Picasso, a compact SUV/small family car It has some really innovative features. It's big enough for five people and it's an excellent vehicle for getting around town. Sometimes, a keyfob can cease to function due to pairing problems. If citroen key repair cost follow the steps correctly, the issue will be easily fixed. For certain vehicles, a professional will require specialized tools. Dead coin battery The most frequent issue with remote key fobs is the battery being dead. But, it's an easy fix. All you need to do is replace the battery in the coin. The batteries are available at your local auto store and look similar to small silver coins. After you've replaced the battery, you'll be in a position to lock and unlock your car. Interference is another reason your key fob may not work. It can be caused by various factors, such as objects, weather conditions, or other transmitters operating on the same frequency. If this happens, then it could be necessary to remove the ignition key and try again. The fact that your key fob is not programmed could be the reason for the key's inability to function. This can occur in the event that the key was exposed to water, or if the battery isn't removed correctly after the key is replaced. You can usually repair the programming by following the directions in the owner's manual. If you cannot do it, you can ask an expert locksmith or dealer to assist 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 is likely to encounter periodic breakdowns from time to occasion. In some cases it is easy to get the issue resolved. In some instances it is necessary to contact a professional for assistance or visit an expert. The most common reasons that the C4's key fob ceases working are a dead coin battery and signal interference, water damage, and receiver module issues. Water damage can result from sweat or moisture on the circuit board. The circuit could be prone to become shorted, which can lead to the battery draining or dead key fob. To prevent this from happening, make sure to keep your key fob safe from the water or put it in a bag before you use it. You can also test the voltage of your battery by using a multimeter. A successful test will produce numbers between 12 and 13 If your battery isn't producing these values, then it may be defective. This means that you'll need to replace the battery. Faulty receiver module A defective receiver module could cause the key fob to cease working. Citroen owners frequently experience this problem, as the key fob needs to send an alert to the door handle to unlock the vehicle and start it. The key fob will not work if it doesn't send the signal. It has to be replaced. This is typically done by a mechanic or a dealership. There are many issues that could happen with your Citroen C4 key fob. This includes a dead coin battery, water damage, signal interference or a malfunctioning electronic chip. To begin troubleshooting the issue, test the key fob batteries and look for obvious indications. This can be done by taking the keyfob apart and removing its battery for a more thorough look. If you find a drained battery replace it with a new one. Make sure that the new battery is of the same voltage, size and specification. Make sure that you fully connect the fob before replacing it. Problematic 12 Volt Battery A lot of newer vehicles have key fobs that allow you to lock or unlock the vehicle remotely. These devices send an electrical signal to the vehicle to control the locks. They are powered by batteries. Batteries can fail with time. The good news is the replacement battery isn't expensive and simple to install. You can pull the fob with a flat-bladed screwdriver. Or you could find instructions in the owner's manual. When replacing the battery, be sure that you're using the same type and size as the original. Different types of batteries have different voltages, which can cause the fob to stop working or display a low battery warning. Make sure you also align the battery in such that the plus and negative numbers correspond to the initial orientation. This will ensure that the chip is receiving the proper signals. Alternatively, the problem may result from a malfunctioning receiver module. If this is the case you should call your dealer for further diagnostics and repairs. Keys that are not paired require programming Car key remotes might not function for various reasons. Most of these issues are easily and quickly fixable. The most frequent cause is an old coin battery, which can be replaced in a few minutes at the majority of auto parts stores. It is important that the new battery be installed correctly. Metal retaining clips must be tightened properly and the battery contacts must be clean. A faulty receiver module, or signal interference, is a different possibility. If the key fob is unable to receive a clear signal from the receiver, it may not be able to unlock or lock the doors as well as start the vehicle or operate the hands-free system. In such cases you can try to reset the receiver by disconnecting the battery for a short period of time. Smart keys are more expensive and can cost as much as $500 to replace. They are equipped with an electronic security device that disables the immobiliser on your vehicle. It's best to have two keys working for your C4 to avoid the cost of these keys. This key fob for replacement is cleaned and refurbished with new internal parts and is tested before being sent to you.