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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. Read the Full Write-up comes with security features, like the ability to “double lock” an automobile to stop thieves from breaking your windows to gain access. There are many reasons for why the Jaguar XF keyfob may not function. These include a dead coin battery, signal interference and a damaged electronic chip. Dead coin battery Modern electronic key fobs offer more security and convenience 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 additional features to make driving easier. However, they will 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 simple and easy fix. Crofton drivers can tell when it's time to replace the battery when their key fob ceases to function or is less effective at locking and unlocking from at a distance. There's also an email on your Jaguar InControl ® touchscreen interface saying “Smart key battery low”. To replace the battery to replace the battery, slide the emergency key blade to take off the cover of the fob. Then, pull the emergency key in order to remove the chrome side bits and separate the two components of the key fob's body. Replace the battery that was used 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 has been exposed to salt water, the chip inside could be damaged. The key fob might not function properly, and you'll have to buy a new one from your dealer. In this scenario you should take apart the key fob and clean the metal clips and the electronic chip with isopropyl alcohol. Signal interference could be a cause of a remote control that doesn't work. This could be caused due to nearby transmitters operating on the same frequency as the remote control on your XF or by objects like buildings or trees. The remote control should continue to function if you remove yourself from the source of interference. Your Jaguar is designed so that it is constantly monitoring itself in all aspects, from engine performance to emissions to brakes and lights. You'll receive a warning if the battery is in low. The key fob will be unable to function and you'll receive a message stating “SMART Key LOW BATTERY”. It is necessary to replace the battery in your Jaguar XF keyfob battery as fast as you can in order to avoid any problems. Contacts for the battery that are defective Jaguar key fobs offer many more features than traditional mechanical keys. They are also more sophisticated. However, just like any other electronic device, they will eventually get worn out or cease functioning completely. The battery may need to be replaced in the event that the lock button on the Jaguar key fob begins to malfunction. You can buy replacement batteries for your Jaguar key fob in most auto parts stores. Before replacing the battery, ensure that it is an original Jaguar part. This will ensure it is the correct size and voltage. Being careful when handling the battery is vital, as skin moisture and oil may be transferred to the outer edges, which can reduce battery life and corroding the contacts. A Jaguar key fob is an electronic remote control that can unlock your car's doors and alarms, and open the windows and sunroof. It can also double-lock your vehicle, ensuring that it is secure from theft. The Jaguar key fob is protected by a steel casing, making it hard to break or damage. A malfunctioning receiver module The key fob emits an radio signal at a low frequency that is picked up by a receiver unit in the Jaguar. The receiver module receives the signal from your smart key and then activates the door locks, or disables the security system. It also lets you start your car and manage the audio system. If the receiver module is faulty and stops working, it could cause the system to stop. Drain the 12 volts battery by disconnecting both terminals. It should take a few seconds. 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 block the Body Control Module from recognizing key signals. You can reprogramme the key fob to allow it to work again by following instructions in the owner’s manual. Faulty electronic chip Jaguar key fobs are equipped with electronic transponder chips that are encoded. These chips receive a distinct remote control signal, and send it to the car's receiver module. If the receiver module is defective this will prevent you from using your key fob to lock or unlock your car. There are several common issues that you can fix yourself. First, check whether the key fob's contact button is functioning properly. If it's not, you may have worn-out buttons or contact. It is also crucial to replace the battery properly. Be sure to use an alternative battery that has the same size, voltage and specifications as the original. Also, make sure that the new battery is not exposed to salt or water. It is important to find a reputable locksmith who is capable of repairing or replacing your Jaguar key fob. This is costly, but is cheaper than buying a new key fob at the dealer. You could even complete the task yourself if your have the appropriate equipment.