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How to Replace a Dead Coin Battery in Your Jaguar XF The Jaguar Smart Key allows you to lock and unlock your Jaguar quickly. It also comes with security features, like the ability “double lock” your vehicle to stop thieves from breaking your windows to gain access. However, there are many reasons why your Jaguar XF key fob might not work. This could be due to a dead coin battery, signal interference or a malfunctioning electronic chip. Dead coin battery Modern electronic key fobs provide more convenience and security than traditional keys. They can be used to lock and unlock your car, turn on the lights and then start the engine. They come with additional features that make driving more comfortable. They are prone to losing their battery over time. If your Jaguar XF key fob has stopped working, it could be because the battery is dead. It's simple to replace. Crofton drivers can tell it's time to replace the battery if their key fob ceases to function or is less effective in locking and unlocking from a distance. You may also receive an email on your Jaguar InControl ® touchscreen interface saying “Smart key battery low”. Slide the emergency key blade out to expose the cover on the fob. Pull the emergency key in order to remove any chrome bits on the side. Then, separate the two halves of the key fob. Replace the old battery with a new one making sure to place it with the positive side facing upwards. Water damage If your Jaguar XF key fob has been exposed to soapy water or was exposed to salt water, the chip inside may be damaged. The key fob might not function, and you'll need buy a new one from your dealer. In this case, you should disassemble the key fob and clean the metal clips as well as the electronic chip with isopropyl alcohol. If the remote control still doesn't work, it might be caused by signal interference. This can be caused either by nearby transmitters that operate on the same frequency as the remote control for your XF or by other objects like buildings or trees. If you move away the remote control will remain functional. Your Jaguar is designed to constantly monitor itself from engine performance to emissions to the lights and brakes. You'll receive a warning if the battery is low. The key fob will lose its range, and you will receive an error message that reads “SMART Key low battery”. It is essential to replace the battery of your Jaguar XF keyfob battery as promptly as you can to avoid any issues. Contacts for the battery that are defective Jaguar key fobs offer many more features than conventional mechanical keys. They are also more sophisticated. However, like any other electronic device, they will eventually become worn out or cease working completely. If the lock button on your Jaguar key fob starts to fail, it's likely that the battery will need to be replaced. You can buy replacement batteries for your Jaguar key fob in 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 take care when handling the battery since touching its outer edges can transfer oil and moisture from the skin which can decrease battery life and corrode the contacts. A Jaguar key fob can be described as an electronic remote control that can unlock the doors of your car as well as activate the alarm and open the windows and sunroof. It can even double-lock the vehicle, ensuring that it is safe from thieves. The Jaguar key fob is secured by a casing made of metal, making it hard to damage or break. Receiver module that is defective The key fob works by transmitting a low-frequency radio signal that is picked up by the receiver module in your Jaguar. This module receives the signal from your smart-key and activates or deactivates your security systems. This module also allows you to start your car and control the audio system. If the receiver module is defective it may stop working. Drain the 12 volts battery by disconnecting both terminals. It should take a few seconds. Then reconnect the battery in reverse order. jaguar xf key from nearby transmitters or objects using the same frequency is another reason that can be a cause for Jaguar XF keyfob not working. Interference can also prevent the Body Control Module from recognizing key signals. The key fob is reprogrammed to work again using the instructions found in the owner's manual. Electronic chip malfunctions Jaguar key fobs have electronic transponder chips which are programmed. These chips receive a unique remote control signal and transmit it to your car's receiver module. If the receiver module is not functioning properly it will stop you from using your key fob to lock and unlock your car. There are several common reasons that you can fix yourself. First, make sure that the button on the key fob is functioning. If not, it's a sign that the button or contact is worn out. It is important to replace the batteries correctly. Be sure to choose a battery that is the same size, voltage and specifications as the original one. Also, make sure that the new battery is not exposed to salt or water. If your Jaguar key fob is faulty, it is important to find a professional locksmith who can fix or replace it. This kind of service may be expensive, but it is cheaper than purchasing a new key fob at the dealer. If you have the proper tools, you can do this yourself.