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Citroen C4 Key Fob ReplacementThe Citroen C4 Picasso, a compact SUV that is small for a family, has some truly innovative features. It's spacious enough to accommodate five people, and it's an excellent vehicle for getting around the city.Sometimes keys fobs stop working due to pairing issues. If you follow the instructions correctly, the issue can be resolved easily. For certain automobiles, a professional will be required with specialized tools.Dead coin batteryThe most common problem with remote key fobs is a dead battery. However, it is an easy fix. All you have to do is replace the coin battery. They are available at your local auto shop and look similar to small silver coins. After replacing the battery, your vehicle should be able to unlock and lock.Interference is a different reason for why your key fob might not function. This can be caused by several reasons, including objects, weather conditions, or other transmitters operating at the same frequency. If this occurs it could be necessary to take off 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 occur in the event that the key was exposed to water, or the battery has not been removed correctly after the key is replaced. You can usually restore the programming by following the instructions in the owner's manual. If you are unable to do this, seek out a professional locksmith or dealer to help you.Water damageThe Citroen C4 is a highly reliable car, however it's a vehicle with hundreds of interconnected components. It's not uncommon for a C4 from Citroen to experience a breakdown. In some cases, the issue is fixable. But in others, you might need to see a mechanic or seek assistance. The most frequent reasons for the C4 key fob not working is a dead coin battery water damages, signal interference and receiver module problems.The moisture or sweat that accumulates on the circuit board of the key fob could cause water damage. The circuit could be prone to become shorted, which can lead to the battery draining or a dead key fob. To avoid this happening, try to keep your key fob away from water, or place it in a plastic bag before using it.A multimeter can be used to measure the voltage of your battery. A successful test will show numbers between 12 and 13. If your battery isn't producing these numbers, it could be defective. This means you'll need to replace the battery.Faulty receiver moduleA damaged receiver could cause the key fob to stop working. This is a typical issue for Citroen owners, as the key fob must send a signal to the door handle to unlock and start the car. The key fob won't work if it does not send the signal. It is required to be replaced. This can be performed at a car dealership or by a professional mechanic.There are several different things that could go wrong with your Citroen C4 key fob. These include a dead battery signal interference, water damage or a malfunctioning electronic chip. The first step in troubleshooting is to test the key fob's batteries and look for obvious signs of damage. This can be done by opening the keyfob, then removing its battery to have a better view.If you find a drained battery, replace it with a fresh one. Make sure the new one has the same size, voltage, and specification. Also, make sure that the fob is securely joined before replacing it.The battery is defective at 12 volts.A lot of newer vehicles have key fobs that let you to lock or unlock the vehicle remotely. These devices transmit an electrical signal to the vehicle that controls the locks. They are powered by batteries. Batteries are susceptible to failure over time. www.thekeylab.co.uk is that the replacement battery isn't expensive and easy to install. You can use a flat-blade screwdriver to pry the fob open or the owner's manual might contain instructions on how to do it.When replacing the battery, be sure you're using the same type and size as the original. Different batteries can have different voltages, which could cause your fob to stop working or display a low-battery alert. Be sure to position the battery in such as to ensure that the plus and negative signs match the original orientation. This will ensure that the chip is receiving the correct signals. The issue could also be due to a malfunctioning module. If this is the case, you should contact your dealer for further diagnostics and repairs.Unpaired key requiring changing the programCar key remotes may fail to function for various reasons. Fortunately, most of these issues can be corrected quickly and easily. The most common reason is the battery in a coin that is dead, which can be replaced in a couple of minutes at most auto parts stores. It's important that the new battery be installed correctly. Metal clips for retaining should be tightened properly and the battery contacts must be clean.A malfunctioning receiver module or signal interference is another possibility. If the key fob is unable to receive a clear signal from the receiver it may not be able lock or unlock the doors either, start the vehicle or operate the hands free system. In these situations, you should try to reset the receiver by disconnection of the battery for a few minutes.Smart keys, which have an integrated security chip that disables the car's standard immobiliser system they are more expensive than traditional metal keys and can cost up to $500 to replace. It is recommended to have two keys that work for your C4 to save money on these costly costs. This replacement remote key fob is cleaned and refurbished with new internal components and tested before sending to you.