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How to Replace a Dead Coin Battery in Your Jaguar XFThe Jaguar Smart Key allows you to lock and unlock your Jaguar quickly. It also comes with security features like the capability to “double lock” your vehicle, preventing thieves from breaking windows to gain access.However, there are numerous reasons why your Jaguar XF key fob might not work. This could be due to a dead coin battery, signal interference, and a defective electronic chip.Dead coin batteryModern electronic keys provide greater convenience and security than traditional manual keys. They can be used to lock and unlock the vehicle, turn on lights and even start the motor. They also come with added features that make driving more convenient. They can lose their battery over time. If your Jaguar XF key fob has stopped working, it could be due to the fact that the coin battery is dead. It’s easy to replace.Crofton drivers will know it’s time to buy an upgrade to their battery when the key fob doesn’t seem to be as effective in locking and unlocking from long distances, or it stops working completely. There’s also a message on your Jaguar InControl (r) touchscreen interface that reads “Smart key battery low”.Slide the blade for the emergency key out to remove the cover of the key fob. Pull the emergency key in order to remove any chrome bits that are on the side and then separate the two halves of the fob for the key. Replace the battery you have previously used and ensure that the positive side is facing upward.Water damageThe chip that is embedded in the key fob of your Jaguar XF could be damaged if it was exposed to salt water or survived the effects of a soapy bath. This could stop the key fob from working, causing you to need a new one from your dealer. In this scenario, disassemble your key fob, and clean the metal clip that holds it and the chip with isopropyl alcohol.Signal interference could be a cause of a remote control that doesn’t work. This could be caused by nearby transmitters operating on the same frequency as the XF’s remote control, or it may be caused by things like buildings or trees. If you leave the remote control should remain functional.Your Jaguar is designed to monitor itself continuously including engine performance and emissions to the brakes and lights. You’ll get a notification if the battery is in low. The key fob will lose its range and you will receive a message saying “SMART KEY LOW BATTERY”. You’ll need to replace the battery of your Jaguar XF keyfob battery as fast as you can in order to avoid any issues.Contacts to the battery are not working properly.Modern Jaguar key fobs are far more sophisticated than mechanical keys of the past, and offer a variety of additional functionality. However, just like any other electronic device, they will eventually fail or cease to function completely. The battery could have to be replaced if the lock button on the Jaguar key fob starts to malfunction.You can purchase replacement batteries for your Jaguar key fob at most auto parts stores. But before you replace the battery, make sure that the new battery is a genuine Jaguar part. This will ensure that it is the correct size and voltage. It is also important to handle the battery carefully because touching its outer edges could transfer skin moisture and oil that can shorten battery life and corrode the contacts.A Jaguar key fob can be used as remote control to unlock the doors of your vehicle as well as to turn off the alarm and open the sunroof as well as windows. It can also double-lock your vehicle, ensuring that it is secure from theft. The Jaguar key fob comes with an aluminum casing, which is difficult to break or destroy.Receiver module that is defectiveThe key fob transmits an audio signal at a low-frequency that is picked up by a receiver module inside the Jaguar. The receiver module receives the signal from your smart keys and opens the door locks, or deactivates the security system. It also enables you to start your vehicle and control the audio system. The receiver module can fail if faulty. To fix the issue take the battery of 12 volts by disconnecting it from both terminals and waiting for a few minutes. Then, reconnect the battery in reverse order.Another reason for Jaguar XF key fob not working is interference from surrounding objects or transmitters operating on the same frequency. Interference can also stop the Body Control Module from recognizing key signals. TheKeyLab can reprogramme the key fob to allow it to function again by following the directions in the owner’s manual.A malfunctioning electronic chipJaguar key fobs come with transponder electronic, coded chips. These chips read a unique signal from the remote control and send it to the receiver module in your vehicle. If the receiver module is not functioning properly this will prevent you from using your key fob to unlock and lock your car. There are a few typical causes that you can fix yourself.Verify first that the button on the key fob is working. If it’s not, it’s likely that the button or contact is worn out. It is important to replace the battery properly. Be sure to use an alternative battery that has identical in size, voltage, and specification as the original. Make sure that the new battery is not brought into contact with salt or water.If your Jaguar key fob is faulty It is crucial to find a skilled locksmith who can fix or replace it. The service is costly but is cheaper than buying a new key fob from the dealer. You can even do this task yourself if your have the proper equipment.