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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, preventing thieves from breaking windows to gain access. There are a variety of reasons for why your Jaguar XF key fob might not function. Some of these include a dead battery, signal interference, and a defective chip. Dead coin battery Modern electronic keys provide greater convenience and security than keys that are manually operated. They can lock and unlock the vehicle, turn on lights and even start the motor. They also come with features that make driving more comfortable. They are susceptible to losing charge with time. If your Jaguar XF key fob has stopped working, it may be because the coin battery is dead. The good news is that replacing it is a quick and easy fix. Crofton drivers will know it's time to replace the battery if their key fob stops working or is less effective in locking and unlocking from an extended distance. There's also a message on your Jaguar InControl ® touchscreen interface that says “Smart key battery low”. Slide the blade for the emergency key out to expose the fob's cover. Pull the emergency key to remove any chrome bits that are on the side and separate the two halves of the key fob. Replace the old battery with a new one, making sure you place it with the positive side facing upward. Water damage If your Jaguar XF key fob has been exposed to soapy water, or has been exposed to salt water, the chip inside could be damaged. This could prevent the key fob from functioning and force you to purchase a new one from your dealer. In this situation you should take apart the key fob and clean the metal clips as well as the electronic chip with isopropyl alcohol. Signal interference could be the reason of a remote that doesn't function. This can 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 will continue function even if you move away from the source of the interference. Your Jaguar is built to monitor itself constantly from engine performance to emissions to the lights and brakes. This means that when it begins to run low on battery power, you'll get warnings. The key fob will lose its range, and you'll get a message saying “SMART Key low battery”. It is essential to replace the battery of your Jaguar XF keyfob battery as quick as you can to avoid any issues. Contacts of the battery may be damaged. Modern Jaguar key fobs are far more sophisticated than mechanical keys of the past, and they offer a lot of additional functions. Like all electronic devices, they are prone to wear out with time or cease working altogether. If the lock button on your Jaguar key fob begins to fail, it's likely that the battery will need to be replaced. Most auto parts stores carry replacement batteries for Jaguar key fobs. Before replacing the battery, ensure that the new one is genuine Jaguar part. This will ensure it is the right size and voltage. It is also important to handle the battery carefully, as touching its outer edges could transfer skin moisture and oil that can shorten the life of the battery and corrode its contacts. A Jaguar key fob can be used as a remote control to unlock the doors of your vehicle, activate the alarm and open the sunroof as well as windows. It can double-lock your car to guard it from thieves. The Jaguar key fob is made of an aluminum casing that makes it difficult to break or cause damage. The receiver module is not working properly. The key fob operates by transmitting a low-frequency radio signal that is interpreted by the receiver module of your Jaguar. The module receives a signal from your smart key and activates or deactivates your security systems. The module also lets you to start your vehicle and control the audio system. The receiver module can cease to function if it's malfunctioning. To resolve the issue take the battery of 12 volts by disconnecting it from both terminals and waiting for about a couple of minutes. Reconnect the battery in reverse. Interference from nearby transmitters or objects with the same frequency is another common cause for Jaguar XF keyfob not working. Interference can also stop the Body Control Module from recognizing key signals. The key fob can be reprogrammed to work once more by following the instructions in the owner's manual. A malfunctioning electronic chip Jaguar key fobs have electronic transponder chips, which are coded. These chips receive a distinct remote control signal, and send it to your car's receiver module. If the receiver module is damaged, you will not be allowed to use your key fob to lock or unlock your vehicle. Fortunately, there are a few common causes of this problem that you can solve yourself. The first step is to check if the button on your key fob is functioning properly. If not, it's a sign that the button or contact is damaged. It is essential to replace the batteries correctly. Use jaguar xf spare key with the same size, voltage and specifications as the original. Make sure the new battery doesn't come into contact with salt or water. It is crucial to find a reputable locksmith who is capable of repairing or replacing your Jaguar key fob. This type of service is costly, but it's cheaper than purchasing a replacement key fob from the dealer. If you have the proper tools, you can accomplish this yourself.