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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 provides security features such as the capability to “double lock” your vehicle, stopping thieves from breaking windows to gain access. However, there are many reasons that your Jaguar XF key fob might not work. This could be due to a dead coin battery, signal interference and a damaged electronic chip. Dead coin battery Modern electronic keys provide greater convenience and security than traditional manual keys. They can lock and unlock the vehicle, turn on lights and even start the motor. They also come with added features that make driving more convenient. However, they can lose their charge in time. If you're Jaguar XF key fob has stopped working, it could be because the coin battery is dead. The good news is that replacing it is a quick and simple fix. Crofton drivers can tell when it's time to replace the battery when their key fob stops working or becomes less effective at locking and unlocking from a distance. The Jaguar InControl ® touchscreen may display a message stating “Smart key battery is low”. To replace the battery take the emergency key blade to take off the fob cover. Pull the emergency key to eliminate any chrome bits on the side and then separate the two halves of the key fob. Replace the old battery by ensuring that the positive side is facing upward. Water damage If your Jaguar XF key fob has survived a bath in soapy water or was exposed to salt water, the electronic chip inside could be damaged. The key fob might not work, and you'll need buy a replacement from your dealer. In this situation you should take apart the key fob and clean the metal clips as well as the electronic chip using isopropyl alcohol. Signal interference could be the cause of a remote that doesn't work. It could be caused due to nearby transmitters operating on the same frequency as the remote control of your XF, or by objects such as buildings or trees. The remote control should continue to function even if you move away from the source of interference. Your Jaguar is built to ensure that it continuously monitors itself, from the engine performance to emissions to brakes and lights. This means that if it starts to lose battery power, you'll be notified by warnings. One of these will be a decrease in the range of your key fob. The another one will be a message that reads “SMART KEY BATTERY LOW.” It is recommended to replace the Jaguar XF key fob battery immediately to avoid these issues. Contacts to the battery are not working properly. Jaguar key fobs come with many more features than traditional mechanical keys. jaguar key programmer are more sophisticated. However, just like any other electronic device, they can eventually become worn out or stop working entirely. If the lock button on your Jaguar key fob begins to malfunction, it is likely that the battery will need to be replaced. You can purchase replacement batteries for your Jaguar key fob from most auto parts stores. Before you replace the battery make sure it is an original Jaguar part. This will ensure that it is the correct size and voltage. It is also essential to handle the battery carefully because touching its outer edges can transfer skin moisture and oil which could reduce battery life and cause corrosion to the contacts. A Jaguar key fob is 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 features an aluminum casing that is difficult to break or damage. A malfunctioning receiver module The key fob functions by transmitting a radio signal that is interpreted by the receiver module inside your Jaguar. This module receives the signal from your smart key, and then opens the door locks, or deactivates the security system. This module also allows you to start your car and control the audio system. If the receiver module fails and is not working properly, it will stop working. To resolve the problem take the battery of 12 volts by disconnecting it from both terminals and waiting for some time. Reconnect the battery in reverse. Interference from nearby objects or transmitters using the same frequency are another reason that is commonly cited for Jaguar XF keyfob not working. Interference may also prevent the Body Control Module (BCM) from recognizing the key signals. The key fob can be reset to work again using the instructions found in the owner's manual. A malfunctioning electronic chip Jaguar key fobs are equipped with transponder electronic, coded chips. These chips receive a distinct remote control signal, and send it to the car's receiver module. If the receiver module becomes damaged, you will not be able to use the key fob to unlock or lock your car. There are several common causes that you can fix yourself. First, verify that the key fob's button is functioning correctly. If it's not, you may have a worn out button or contact. It is also crucial to replace the battery correctly. Make sure you use identical in size, voltage and specifications as the original. Also, make sure that the new battery has not been exposed to salt or water. It is important to find a skilled locksmith who can repair or replacing your Jaguar key fob. This kind of service may be costly, but it's far less expensive than purchasing the replacement key fob from the dealer. You could even complete the job yourself if you have the right equipment.