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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 such as the capability to “double lock” your vehicle, which stops thieves from breaking windows to gain access. There are many reasons why the Jaguar XF keyfob may not function. 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 the vehicle, turn on lights and start the motor. They also have added features to make driving easier. They can lose their charge over time. If you're Jaguar XF key fob has stopped working, it may be due to the fact that the coin battery is dead. It's simple to replace. Crofton drivers will know it's time to buy a new battery if the key fob isn't effective at locking and unlocking from long distances, or it stops working completely. You might also get a message on your Jaguar InControl ® touchscreen interface that says “Smart key battery low”. Slide the blade of the emergency key out to take off the fob's cover. jaguar e pace key not recognized to remove any chrome bits on the side and then separate the two halves of the fob for the key. Replace the old battery with a new one, making sure to put it with the positive side facing upward. Water damage The chip that is embedded in your Jaguar XF's key fob could be damaged if the key fob has been exposed salt water or has survived an in-salinity bath. The key fob may not function and you'll need buy a replacement from your dealer. In this scenario, disassemble your key fob, and clean the metal retaining clip as well as the chip using isopropyl ethanol. Signal interference could be the reason of a remote which isn't working. This can be caused by nearby transmitters that use the same frequency as the remote control on your XF or by obstructions like trees or buildings. The remote control should continue to function even if you are away from the source of the interference. Your Jaguar is designed to ensure that it is constantly monitoring itself, from the engine performance to emissions to brakes and lights. This means that if your car begins to run out of battery power, it will send warnings. One of these will be a decrease in the range of your key fob and another will be a message that reads “SMART KEY BATTERY LOW.” You'll need to replace the Jaguar XF key fob battery as soon as possible to avoid these issues. Contacts to the battery are not working properly. Modern Jaguar key fobs are more sophisticated than mechanical keys of the past, and offer a variety of additional features. But, as with any electronic device, they will eventually fail or cease functioning completely. If the lock button on your Jaguar key fob begins to malfunction, it is 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 make sure it is an original Jaguar part. This will ensure that it is of the proper size and voltage. Handling the battery with care is vital, as oils and skin moisture can be transferred to the edges, reducing the battery's life and corroding the contacts. A Jaguar key fob can be used as remote control to open the doors of your car as well as to turn off the alarm and open the sunroof and windows. It can also double-lock your vehicle, ensuring it is secure from theft. The Jaguar key fob features an aluminum casing, which makes it hard to break or harm. The receiver module is not working properly. The key fob operates by transmitting a low-frequency radio signal which is detected by the receiver module in your Jaguar. The module receives a signal from your smart key and activates or disables your security system. The module also lets you to start your car and control the audio system. If the receiver module is defective and is not working properly, it will stop working. Drain the 12 volts battery by disconnecting both terminals. Wait a few moments. Then reconnect the battery in reverse order. Another common cause of Jaguar XF key fob not functioning is interference from other objects or transmitters on the same frequency. Interference can also block the Body Control Module from recognizing key signals. You can reprogram the key fob to make it work again by following the instructions in the owner’s manual. Faulty electronic chip Jaguar key fobs are fitted with electronic, coded transponder chips. These chips read a unique signal from the remote control and transmit it to the receiver module that is in your car. If the receiver module is defective it will block you from using your key fob to lock or unlock your vehicle. There are a few common reasons that you can fix yourself. Verify first that the button on the key fob works. If not, it's likely that the button or contact is damaged. It is important to replace the battery correctly. Be sure to choose an alternative battery that has the same voltage, size, and specification as the original. Also, make sure that the new battery has not been exposed to salt or water. It is crucial to seek out an experienced locksmith who can repair or replacing your Jaguar key fob. The service is costly however it is less expensive than buying an entirely new key fob from the dealer. If you have the proper tools, you can do this yourself.