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How to Replace a Dead Coin Battery in Your Jaguar XF The Jaguar Smart Key system allows you to lock your Jaguar quickly and easily. It also has security features like the capability to “double lock” your vehicle, which stops thieves from breaking windows to gain access. There are many reasons why the Jaguar XF keyfob may not work. These include a dead coin battery, signal interference and a defective electronic chip. Dead coin battery Modern electronic key fobs provide more security and convenience than traditional keys. They can lock and unlock your vehicle, switch on the lights, and even start the engine. They also have added features to make driving easier. They may lose their battery over time. If you've noticed that your Jaguar XF's key fob isn't working, it could be due to a dead battery in the coin. The good news is that replacing it is a quick and easy fix. Crofton drivers will know it's time for a new battery when the key fob doesn't seem to be as effective at locking and unlocking from long distances, or it stops working completely. Your Jaguar InControl ®, touchscreen interface might display a message stating “Smart key battery is depleted”. Slide the emergency key blade out to remove the fob's cover. Pull the emergency key in order to remove any chrome bits that are on the side, and then cut off the two halves of the key fob. Replace the battery you have previously used making sure that the positive side is facing upward. Water damage If your Jaguar XF key fob has been exposed to soapy water, or it was exposed to salt water, the chip inside may be damaged. This can prevent the key fob from working and force you to purchase an alternative from your dealer. In this scenario, disassemble your key fob, and clean the metal retaining clip as well as the chip with isopropyl ethanol. Signal interference could be the reason of a remote control which isn't working. This can be caused either due to nearby transmitters operating on the same frequency as the remote control on your XF, or by objects like trees or buildings. If you leave, the remote control should remain functional. Your Jaguar is built to monitor itself constantly including engine performance and emissions to the lights and brakes. This means that if it starts to run low on battery power, you'll be notified by warnings. The key fob will lose its range and you will receive an error message that reads “SMART KEY low battery”. You will need to replace the battery in your Jaguar XF keyfob battery as promptly as you can to avoid any problems. Contacts for the battery that are defective Jaguar key fobs provide more features than conventional mechanical keys. They also are more sophisticated. Like any electronic device they are prone to wear out over time or cease working altogether. If the lock button on your Jaguar key fob begins to malfunction, it is likely that the battery needs to be replaced. You can buy replacement batteries for your Jaguar key fob from most auto parts stores. Before replacing the battery ensure that it's an original Jaguar part. This will ensure that it is of the right size and voltage. It is also important to handle the battery with care because touching its outer edges can transfer skin moisture and oil which can decrease battery life and also corrode the contacts. A Jaguar key fob can be described as a remote control which can unlock your car's doors and alarms, and open the windows and sunroof. It can even double-lock the vehicle, ensuring that it is secure from theft. The Jaguar key fob is secured by a metal casing which makes it difficult to break or scratch. Faulty receiver module The key fob transmits the radio signal at a low frequency which is detected by a receiver module within the Jaguar. This module receives the signal from your smart-key and then activates or disarms your security system. This module also allows you to start your car and control the audio system. The receiver module might stop working if it is malfunctioning. To fix the issue remove the battery with 12 volts by disconnecting it from both terminals while waiting for about a couple of minutes. Then reconnect the battery in reverse. Interference from nearby transmitters or objects using the same frequency is another common reason for Jaguar XF keyfob not working. Interference can also stop the Body Control Module from recognizing key signals. The key fob is reprogrammed to work once more by following the steps in the owner's manual. A malfunctioning electronic chip Jaguar key fobs are equipped with electronic transponder chips, which are coded. The chips receive a specific remote control signal, and send it to the receiver module. If the receiver module malfunctions it will stop you from using your key fob to lock and unlock your car. Luckily, there are some common causes of this problem that you can solve yourself. First, make sure that the button on the key fob is working. If not, it's a sign that the button or contact is damaged. It is essential to replace the batteries correctly. Be sure to choose a battery that is the same size, voltage, and specification as the original one. Make sure that the new battery does not come into contact with salt or water. It is important to find a reputable locksmith that is able to repair or replacing your Jaguar key fob. jaguar xf key fob shell of this service is high, but it is less expensive than purchasing a new key fob from the dealer. You can do this task yourself if you have the right equipment.