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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 comes with security features, including the ability to “double lock” the vehicle to stop thieves from breaking your windows to gain access. There are a variety of 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 keys offer more convenience and security than keys that are manually operated. They can be used to lock and unlock your car, turn on the lights and turn off the engine. They also have added features to make driving easier. However, they may lose their charge as time passes. If your 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 easy fix. Crofton drivers can tell when it's time to replace the battery when their key fob stops working or isn't as effective in locking and unlocking from a distance. You may also receive an alert on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. To replace the battery, slide the emergency key blade to remove the cover of the fob. Then, pull the emergency key to take out the chrome side bits and to separate the two pieces of the key fob's body. Replace the old battery with a brand new one, making sure to put it with the positive side facing upward. Water damage The electronic chip in the Jaguar XF's key fob may be damaged if it has been exposed to salt water or survived an in-salinity bath. This could prevent the key fob from working, causing you to need a new one from your dealer. In this case you should disassemble your key fob and clean the metal retaining clip and the chip with isopropyl alcohol. Signal interference could be a cause of a remote control that isn't working. This can be caused by nearby transmitters operating on the same frequency as your remote control on XF, or it may be caused by objects such as trees or buildings. If you leave the remote control will continue to function. Your Jaguar is built so that it constantly monitors itself in all aspects, from engine's performance to emissions to brakes and lights. You'll receive a warning if the battery is in low. One of these will be an increase in the range of your key fob. another message that reads “SMART Key Battery Low.” It is recommended to replace the Jaguar XF key fob battery as soon as you can to avoid the problems. Contacts of the battery may be damaged. Jaguar key fobs have many more features than traditional mechanical keys. They also are more sophisticated. Like all electronic devices, they can become worn out with time or cease functioning completely. 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 at a variety of auto parts stores. Before replacing the battery ensure that it's an original Jaguar part. This will ensure that it is of the correct size and voltage. Handling the battery with care is essential, since oils and skin moisture can be transferred to the edges, decreasing battery life and corroding the contacts. A Jaguar key fob is a remote control which can unlock the doors of your car and activate the alarm and open the windows and sunroof. It can double-lock your car to keep it secure from thieves. The Jaguar key fob is made of a steel casing that makes it hard to break or cause damage. A malfunctioning receiver module The key fob works by transmitting a low-frequency radio signal that is interpreted by the receiver module inside your Jaguar. The receiver module receives the signal from your smart keys and opens the door locks or disarms the security system. This module also allows 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. Take out the 12 volt battery by disconnecting both terminals. It should take a few seconds. Then reconnect the battery in reverse order. Another reason that is commonly cited for Jaguar XF key fob not working is interference from surrounding objects or transmitters on the same frequency. Interference can also block the Body Control Module from recognizing key signals. The key fob can be reprogrammed to work properly again using the instructions found in the owner's manual. Electronic chip malfunctions Jaguar key fobs include electronic transponder chips, which are coded. jaguar xe key fob replacement receive a specific remote control signal and send it to your car's receiver module. If the receiver module malfunctions, it will prevent you from using your key fob to unlock and lock your vehicle. Luckily, there are some common causes of this problem that you can address yourself. Verify first that the button on the key fob works. If it's not, you have worn out the button or contact. It is crucial to replace the batteries in a correct manner. Make sure to use a battery with the same size, voltage and specifications as your original. Also, make sure that the new battery is not exposed to water or salt. If your Jaguar key fob is faulty it is vital to find a reputable locksmith who can repair or replace it. This is costly, but it is less expensive than purchasing a new key fob from the dealer. If you have the proper tools, you can do this yourself.