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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 provides security features such as the capability to “double lock” your vehicle, preventing thieves from breaking windows to gain access. There are many reasons why the Jaguar XF keyfob may not function. It could be due to a dead or defective coin battery, signal interference, and a defective electronic chip. Dead coin battery Modern electronic keys provide more security and convenience than traditional manual keys. They can lock and unlock the vehicle, turn on the lights and even start the motor. They also come with features that make driving more comfortable. They can lose their charge over time. If you're Jaguar XF key fob has stopped working, it could be because the battery is dead. The good news is that replacing it is a simple and easy fix. Crofton drivers will recognize it's time for a new battery when the key fob isn't efficient at locking and unlocking from long distances, or it stops working completely. There's also an alert on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. Slide jaguar xf replacement key for the emergency key out to expose the cover of the fob. Pull the emergency key to remove any chrome bits on the side, and then cut off the two halves of the fob key. Replace the battery you have previously used, ensuring that the positive side is facing upward. Water damage The chip in the key fob of your Jaguar XF could be damaged if it has been exposed to salt water or survived a soapy bath. 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 and the chip with isopropyl ethanol. Signal interference could be the cause of a remote control that isn't working. This can be caused due to nearby transmitters operating on the same frequency as the remote control on your XF or by other objects such as buildings or trees. If you move the remote control will remain functional. Your Jaguar is designed so that it constantly monitors itself in all aspects, from engine's performance, to emissions, to brakes and lights. This means that if it begins to lose battery power, it will send warnings. The key fob will lose range and you'll get a message stating “SMART KEY LOW BATTERY”. You'll need to replace your Jaguar XF keyfob battery as promptly as you can to avoid any problems. Faulty battery contacts Jaguar key fobs come with many more features than traditional mechanical keys. They also are more sophisticated. Like any electronic device these can wear out with time or cease functioning completely. The battery might need to be replaced in the event that the lock button on the Jaguar key fob begins to malfunction. The majority of auto parts stores offer replacement batteries for Jaguar key fobs. Before replacing the battery, make sure it is an original Jaguar part. This will ensure that it is of the right size and voltage. It is also essential to handle the battery in a controlled manner because touching its outer edges could transfer oil and moisture from the skin which could reduce battery life and cause corrosion to the contacts. A Jaguar key fob can be used as remote control to unlock the doors of your car activate the alarm, and open the sunroof as well as windows. It can also double-lock your vehicle, making sure it is safe from thieves. The Jaguar key fob is secured by a casing made of metal, making it hard to damage or break. The receiver module is not working properly. The key fob sends out the radio signal at a low-frequency that is detected by a receiver module inside the Jaguar. This module receives the signal from your smart-key and then activates or deactivates your security system. The module also lets you to start your vehicle and control the audio system. If the receiver module is damaged, it can stop working. To fix the issue, drain the battery to 12 volts by disconnecting it from both terminals and letting it sit for several minutes. Reconnect the battery in reverse. Interference from nearby objects or transmitters using the same frequency is another common reason for Jaguar XF keyfob not working. Interference can also prevent the Body Control Module from recognizing key signals. The key fob can be programmed to work properly again using the instructions found in the owner's manual. Faulty electronic chip Jaguar key fobs come with electronic transponder chips, which are coded. The chips receive a specific remote control signal, and send it to your car's receiver module. If this receiver module becomes malfunctioning, you will not be capable of using the key fob to lock or unlock your vehicle. There are a few typical causes that you can repair yourself. Verify first that the button on the key fob is functioning. If not, it's possible that the button or contact is damaged. It is important to replace the batteries correctly. Be sure to choose an alternative battery that has identical in size, voltage and specifications as the original one. Also, ensure that the new battery isn't exposed to salt or water. If your Jaguar key fob is damaged, it is important to find a professional locksmith who can repair or replace it. The cost of this service is high, but is cheaper than buying a new key fob at the dealer. If you have the right tools, you can complete this yourself.