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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 has security features, including the ability “double lock” an automobile to stop thieves from breaking windows to gain entry. There are many reasons why the Jaguar XF keyfob may not function. One of them is a dead battery, signal interference or an incompatible chip. Dead coin battery Modern electronic keys offer greater convenience and security over traditional manual keys. They can be used to lock and unlock the vehicle, turn on the lights and even start the motor. They also have added features that make driving more convenient. However, they may lose their charge over time. If you've noticed 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 simple fix. Crofton drivers will recognize it's time for a new battery when the key fob isn't effective at locking and unlocking from long distances, or it stops working completely. You may also see an alert on your Jaguar InControl ® touchscreen interface saying “Smart key battery low”. Slide the emergency key blade out to expose the cover of the key fob. Then, pull the emergency key to release the chrome side bits and separate the two components of the key fob's body. Replace jaguar xf key fob cover that was used with a new one making sure to put it with the positive side facing upward. Water damage If your Jaguar XF key fob has survived a bath in soapy water, or it has been exposed to salt water, the chip inside could be damaged. This can prevent the key fob from functioning, causing you to need an upgrade from your dealer. In this scenario it is recommended to disassemble the key fob and clean the metal retaining clips and the electronic chip with isopropyl alcohol. Signal interference could be the cause of a remote control which isn't working. It could be due to nearby transmitters operating on the same frequency as your remote control from XF or caused by objects like buildings or trees. If you relocate, the remote control should remain functional. Your Jaguar is designed to monitor itself continuously from 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'll get an error message that reads “SMART KEY low battery”. It is essential to replace your Jaguar XF keyfob battery as quick as you can to avoid any issues. Contacts to the battery are not working properly. Jaguar key fobs come with many more features than traditional mechanical keys. They also are more sophisticated. However, just like any other electronic device, they may eventually wear out or cease functioning completely. If the lock button on your Jaguar key fob starts to fail, it's likely that the battery needs to be replaced. You can buy replacement batteries for your Jaguar key fob at a variety of auto parts stores. Before you replace the battery ensure that it's an original Jaguar part. This will ensure that it is the right size and voltage. It is also essential to handle the battery carefully, as touching its outer edges could transfer skin moisture and oil that can shorten battery life and cause corrosion to the contacts. A Jaguar key fob can be used as an remote control that allows you 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 to keep it secure from thieves. The Jaguar key fob is protected by a steel casing, making it difficult to break or damage. Faulty receiver module The key fob transmits a radio signal at a low-frequency which is detected by a receiver unit in the Jaguar. The module receives a signal from your smart-key, and then activates or deactivates your security system. It also allows you to start your car and manage the audio system. If the receiver module is damaged it may stop working. Take out the 12 volt battery by disconnecting both terminals. Wait a few moments. Reconnect the battery in reverse. Another common cause of Jaguar XF key fob not working is interference from surrounding objects or transmitters operating on the same frequency. Interference can also block the Body Control Module from recognizing key signals. The key fob can be reprogrammed to function again by following the directions in the owner's manual. Electronic chip that is malfunctioning Jaguar key fobs come with electronic transponder chips that are coded. These chips receive a unique remote control signal and send it to the car's receiver module. If the receiver module is faulty, it will prevent you from using your key fob to lock or unlock your vehicle. Fortunately, there are a few common causes of this problem that you can address yourself. First, make sure that the key fob's button is working correctly. If not, it's likely that the button or contact is worn out. It is important to replace the battery properly. Use a battery with the same size, voltage and specifications as your original. Also, ensure that the new battery is not exposed to water or salt. It is crucial to find an experienced locksmith who can repair or replacing your Jaguar key fob. This kind of service can be expensive, however it is cheaper than purchasing the replacement key fob from the dealer. If you have the proper tools, you could do this yourself.