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Citroen C4 Key Fob Replacement The Citroen C4 Picasso is a compact SUV that's small for a family vehicle, but has some truly innovative features. It's spacious enough to hold five people and is a great way to travel around town. Sometimes, a keyfob will stop working due to pairing problems. This issue can be resolved if instructions are followed correctly. However, a professional with specialized equipment is needed to fix certain types of vehicles. Dead coin battery The most common problem with remote key fobs is a dead battery. However, it is an easy fix. You only need to replace the battery that is coin-sized. These batteries are available at your local auto store and look similar to small silver coins. After you replace the battery, your car should be able of unlocking and lock. Interference is another reason that your key fob might not function. This can occur due to numerous factors, like weather conditions, objects, or other transmitters on the same frequency. If this happens, it may be necessary to take the ignition key and try again. Another reason your key fob may not function could be because the fob has been deprogrammed. This can happen when the key is exposed to water or if it is not removed properly after replacing the battery. Usually, you can re-set the programming of your car by following the guidelines provided in the owner's manual. If you're unable to accomplish this, you may ask a professional locksmith or dealer to help you. Water damage Citroen C4 has a high degree of reliability, but it's still a complex machine with hundreds interconnected parts. It's not uncommon for a C4 from Citroen to experience a breakdown. In some cases, the problem is easily resolved. In other cases you might need to call for help or visit an expert. The most common reasons for why the C4's main fob stops working are dead coin battery and water damage, signal interference and receiver module problems. Water damage can result from sweat or moisture on the key fob's circuit board. This can short the circuit, resulting in the key fob becoming dead or causing battery drain. Keep your key fob out of the water and put it in the plastic bag. You can also test the battery's voltage using a multimeter. A successful test will yield numbers between 12 and 13 If your battery doesn't produce these numbers, it could be defective. This means you'll have to replace the battery. The receiver module is not working properly. A damaged receiver module may cause the key fob to cease working. Citroen owners often encounter this issue, because the keyfob has to send an alert to the door handle in order to unlock and start the vehicle. The key fob won't work if it does not send the signal. It must be replaced. This can be carried out at a dealership for vehicles or by an expert mechanic. Citroen C4 keys can malfunction for a variety. This includes a dead coin battery, water damage, signal interference or a damaged electronic chip. The first step in troubleshooting is to test the batteries on the key fob and to check for obvious indications of damage. This can be done by taking the keyfob apart and removing its battery to take a closer view. Replace the battery in case it is depleted. Make sure the new one has the same voltage, size and specification. Make sure you connect the fob prior to replacing it. The battery is defective at 12 volts. Many modern vehicles come with key fobs which allow you to lock or unlock your vehicle remotely. These devices send signals to the car to control the locks. They use battery power to operate. Batteries can fail with time. The good news is that the replacement battery is affordable and easy to install. You can use a screwdriver with a flat blade to pry open the battery or your owner's manual may contain instructions on how to do it. Replace the battery with a battery of the same type and size as the original. citroen c4 key fob replacement can differ in voltage, which can cause your fob to stop working or display a low battery warning. Remember to also orient the battery in such that the positive and negative indicators are aligned with the initial orientation. This will ensure that the chip is receiving the correct signals. It is also possible that the issue could be due to a malfunctioning receiver module. If this is the case you should consult your dealer for further assistance and repairs. Unpaired keys that need the reprogramming The remote for the car key can fail to function due to many reasons. Most of these problems are easily and quickly fixed. The most common reason is an old coin battery, which can be replaced in a few minutes at most auto parts stores. However, it's important to make sure that the new battery is properly installed. Metal retaining clips should be properly tightened and the battery's contacts should be clean. Another possibility is a malfunctioning receiver module or signal interference. If the key fob does not receive a clear signal from the receiver it may not be able to lock or unlock the doors, start the vehicle or operate the hands free system. In these situations you can reset the receiver by removing the battery for a few minutes. Smart keys, which include an integrated security chip that disables the vehicle's standard immobiliser is more expensive than traditional metal keys and can cost as much as $500 to replace. To avoid these costs it's best to have at least two working keys for your C4. This replacement remote key fob is upgraded with new internal components and is tested before being shipped to you.