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Citroen C4 Key Fob Replacement The Citroen C4 Picasso is a compact SUV that is small enough for a family, and has some truly innovative features. It's large enough for five people and is a great vehicle to travel around the city. Sometimes keys fobs stop working due to pairing issues. This problem may be solved if instructions are followed. For certain vehicles, a professional may be required to use specialized tools. Dead coin battery The most common problem with remote key fobs is an inactive battery. It is a simple fix, however. You only need to replace the battery in the shape of a coin. These batteries are available at your local auto shop and look like small silver coins. After you replace the battery, your car will be able to open and lock. Another reason why your key fob might not work is due to interference. It could be caused by various factors, including weather conditions, objects, or other transmitters operating on the same frequency. If this happens, then it could be necessary to take the ignition key and try again. The key fob's deprogramming could also be the cause for its inability to function. This could occur if the key has been exposed to water, or if the battery was not removed properly after replacing the key. Usually, you can re-set the program of your car by following the directions in the owner's guide. If you're unable to do this resolve the issue, you can contact a locksmith shop or a professional to help you. citroen car key repair has a high degree of reliability, but it's still a complicated machine that has hundreds of interconnected parts. As with all cars it can suffer occasional breakdowns from time time. In certain instances, the issue is fixable. In some cases it is necessary to contact a professional for assistance or visit an expert. The most frequent causes of the C4 key fob not working is a dead coin battery water damage, signal interference and receiver module malfunctions. Water or sweat on the circuit board of the key fob could cause water damage to the circuit board of the key fob. The circuit can be damaged and cause the key fob becoming dead or causing battery drain. Keep your key fob out of the water and put it in the bag of plastic. A multimeter is a tool to check the battery's voltage. A successful test will yield values between 12 and 13 If your battery isn't producing these values, it may be defective. This means you'll have to replace the battery. Receiver module that is defective A defective receiver can cause the key fob to cease to function. Citroen owners often encounter this issue, because 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 transmit the signal. It must be replaced. This can be carried out at a dealership for vehicles or by an experienced mechanic. There are several different issues that could happen with your Citroen C4 key fob. These include a dead coin battery or water damage, signal interference or a defective electronic chip. To begin troubleshooting, check the batteries on the key fob and look for any obvious signs. This can be done by opening the keyfob and then removing its battery to get a better view. Replace the battery if empty. Make sure that the new battery has the same size, voltage, and specifications. Make sure that you fully connect the fob before replacing it. Faulty 12 Volt Battery Most newer cars come with key fobs that allow you to lock and unlock the vehicle from a distance. These devices send a signal the car to control the locks and use battery power to operate. Batteries can degrade over time. The good news is 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 may have instructions on how to do it. Replace the battery by using a different one of the same type and size as the original. Different types of batteries come with different voltages, which could cause the fob to stop working or display a low battery warning. Be sure to align the battery in a way that the plus and minus signs correspond to the orientation of the original. This ensures that the chip is receiving correct signals. In other cases, the issue could result from a malfunctioning receiver module. In this instance it is recommended to contact the dealer for further diagnosis and repairs. Keys that are not paired require reprogramming The remote for your car's key may stop working due to many reasons. Most of these problems are quick and easy to fix. The most frequent cause is the battery in a coin that is dead, which can be replaced in just a few minutes at the majority of auto parts stores. It is crucial that the new battery is installed correctly. Metal retaining clips need to be properly tightened, and the 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 might not be able to lock or unlock doors and start the car or use the hands-free system. In these situations, you can reset the receiver by dismantling the battery for a couple of minutes. Smart keys are more expensive and can cost as much as $500 to replace. They contain an electronic security device that disables the immobiliser in your vehicle. To avoid these high costs it's a good idea to have at least two keys working for your C4. This key fob for replacement is upgraded with new internal parts and is tested before sending to you.