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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 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 issue can be easily fixed if the instructions are followed. However, a professional equipped with special equipment is required for specific makes of vehicles. Dead coin battery The most frequent issue with remote key fobs is an inactive battery. However, there is an easy fix. It is all you need to do is replace the coin-sized battery. These batteries look like little silver coins and are available at your local automotive store. When you replace the battery, your vehicle should be able to unlock and lock. Another reason your key fob isn't working is because of interference. This can occur due to numerous factors, like objects, weather conditions, or other transmitters on the same frequency. If this happens it could be necessary to take out the ignition key and try again. Deprogramming your key fob could also be the cause of its failure to work. This could happen if the key has been exposed to water, or if the battery was not removed correctly after replacing the key. You can usually fix the programming by following the steps in the owner's manual. If you're unable to do this, you can seek out a professional locksmith or dealer for assistance. Water damage Citroen C4 has a high level of reliability, however it's a complicated machine that has hundreds of interconnected parts. It's not uncommon for a C4 from Citroen to experience a breakdown. In some cases the issue is easily solved. In some cases you may have to call for help or visit a mechanic. The most frequent reasons the C4's key fob ceases working include a dead coin battery and water damage, signal interference, and receiver module issues. Moisture or sweat on the circuit board of the key fob might cause water damage to the circuit board of the key fob. The circuit could be prone to short, leading to a battery drain or a dead key fob. Keep your key fob away from the water and put it in a plastic bag. You can also check the voltage of your battery by using a multimeter. If the test is successful, you will get values that range from 12 to 13 If your battery doesn't produce these numbers, then it could be defective. This means that you will have to replace your battery. A malfunctioning receiver module A damaged receiver module may cause the key fob to stop functioning. Citroen owners often experience this issue, because the key fob needs to send a signal to the door handle to unlock the vehicle and start it. The key fob will not work if it doesn't transmit the signal. It is required to be replaced. This is typically handled by a mechanic or a dealership. citroen berlingo key replacement can malfunction due to a variety reasons. These include a dead battery signal interference, water damage or a defective electronic chip. The first step to troubleshoot is to examine the batteries of the key fob and to check for obvious indications of damage. This can be done by opening the keyfob, then removing its battery for a more thorough view. Replace the battery if it is empty. Make sure the new one has the same voltage, size, and specifications. Make sure you snap the fob together before replacing it. Poor 12 Volt Battery Many modern vehicles come with key fobs that allow you to lock or unlock your vehicle remotely. These devices transmit an electrical signal to the vehicle to control the locks. They are powered by batteries. However, the batteries may fail over time. The good part is that the replacement battery isn't expensive and simple to replace. It is possible to pry the fob off by using a flat-bladed screwdriver. you may find instructions in your owner's manual. Replace the battery with a new one that is the same size and type as the original. Different batteries may differ in voltage, which can cause your fob to stop working or display a low battery warning. Make sure you also align the battery in that the plus and negative signs match the original orientation. This ensures that the chip is receiving right signals. Alternatively, the problem may be due to a malfunctioning receiver module. In this case you should call your dealer to get further diagnostics and repairs. Keys that are not paired require reconfiguration The remote for your car's ignition could stop working due a number of reasons. Most of these issues are quick and easy to fix. The most common reason is an old coin battery, which can be replaced in just a couple of minutes at most auto parts stores. It's important that the new battery be installed correctly. Metal retaining clips need to be properly tightened and contacts of the battery must be cleaned. Another possibility is a malfunctioning receiver module or signal interference. If the key fob isn't receiving a sufficient signal from the receiver, it could not lock or unlock doors and start the car or operate the hands-free feature. In these instances you can reset the receiver by removing the battery for a few minutes. Smart keys, which have an integrated security chip that disables the car's standard immobiliser system, are more expensive than traditional keys made of metal and can cost as much as $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 for the remote is restored and tested with new internal components before being shipped to you.