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Citroen C4 Key Fob Replacement The Citroen C4 Picasso, a compact SUV/small family car that is truly innovative, comes with some great features. It has decent space for five people and it's an excellent vehicle for getting around the city. Sometimes, a keyfob will not work due to pairing issues. This problem may be fixed if instructions are followed properly. For certain vehicles, a professional will require specialized tools. Dead coin battery A dead battery is the most common problem affecting remote key fobs. However, citroen ds3 replacement key cost is a simple solution. You'll only need to replace the coin-sized battery. They look like tiny silver coins, and can be purchased in your local automotive shop. After you have replaced the battery, your vehicle should be able unlock and lock. Interference is another reason that your key fob won't work. It could be caused by many reasons, including objects, weather conditions, or other transmitters operating on the same frequency. If this happens, it could be necessary to take the ignition key and try again. Another reason your key fob won't work may be that it has been deprogrammed. This can occur if the key has been exposed to water, or if the battery has not been removed properly after the key is replaced. You can usually repair the programming by following the directions in the owner's manual. If you're not able to get it done, you can go to an expert locksmith or dealer to help you. Water damage Citroen C4 has a high level of reliability, but it is still a complex machine that has hundreds of interconnected parts. Like all cars it can suffer periodic breakdowns from time to the time. In some cases, the problem is easily resolved. But in others it is possible to visit a mechanic or call for assistance. The most frequent reasons for the C4 key fob not working is a dead coin battery, damage to the water, signal interference and receiver module problems. Water damage can be caused by sweat or moisture on the circuit board. The circuit can be damaged, resulting in an unresponsive keyfob or battery drain. To avoid this happening, try to keep your key fob out from water, or place it in a bag before using it. You can also check the battery's voltage using an instrument. A successful test will show numbers between 12 and 13. If your battery isn't producing these numbers, it may be defective. This means you'll have to replace your battery. Faulty receiver module A defective receiver module could cause the key fob to stop working. Citroen owners frequently experience this issue, because the key fob must send an alert to the door handle in order to unlock and start the vehicle. If the key fob is unable to send this signal, it will not function and should be replaced. This is usually handled by a technician or a dealership. Citroen C4 keys can malfunction for a variety of reasons. This could be due to the battery of your coin-cell is dead, water damage or signal interference. To begin troubleshooting the issue, test the batteries of the key fob, and look for any obvious signs. You can do this by opening the key fob then taking out the battery for a better view. Replace the battery in case it is drained. Make sure that the new battery is of the same voltage, size and specification. Make sure you fix the fob in place prior to replacing it. Faulty 12 Volt Battery A majority of modern cars come with key fobs that let you to lock and unlock your vehicle from the distance. These devices transmit a signal to the car to control the locks and operate on battery power. Batteries can degrade over time. The good thing is that the replacement battery is inexpensive and easy to replace. You can use a screwdriver with a flat blade to pry the fob open, or your owner's manual may contain instructions on how to do it. When replacing the battery, be sure that you're using a battery of the same type and size as the original. Different batteries can have different voltages that could cause your fob to stop functioning or display a low-battery message. Also, remember to orient the battery so that the plus and minus symbols are in the same direction as the original. This ensures that the chip is receiving right signals. Alternatively, the problem may be due to a malfunctioning receiver module. In this case it is recommended that you contact the dealer for further advice and repairs. Keys that are not paired require reprogramming The remote for your car's ignition can fail to function due to various reasons. The majority of these issues are easily and quickly repaired. Most of the time the problem is caused by a defective battery in the coin-cell. is the reason. This can be easily replaced in a matter of moments at most auto parts shops. But, it's crucial to make sure that the new battery is correctly installed. Metal retaining clips should be tightened in a proper manner and the battery contacts must be clean. Another possibility is a defective receiver module or signal interference. If the key fob fails to receive a strong 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 instances you can reset the receiver by disconnection of the battery for a couple of minutes. Smart keys are more expensive and could cost as high as $500 to replace. They have an electronic security device that disables the standard immobiliser in your vehicle. To avoid these high costs, it's a good idea to have at minimum two working keys for your C4. This key fob replacement for the remote is repaired and tested using new internal components prior to being shipped to you.