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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, such as the capability to “double lock” your vehicle, preventing thieves from breaking windows to gain access. There are a variety of reasons why your Jaguar XF key fob might not function. There are a variety of reasons, including a malfunctioning battery, signal interference, or an incompatible chip. Dead coin battery Modern electronic keys offer more convenience and security over traditional manual keys. They can be used to lock and unlock the vehicle, turn on the lights and start the engine. They also come with added features that make driving more convenient. However, they will lose their charge over time. If you've noticed the key fob of your Jaguar XF isn't functioning it could be due to a dead battery in the coin. The good news is that replacing it is a quick and easy fix. jaguar key fob G28 Car Keys Solutions will know it's time for a new battery if the key fob becomes less efficient at locking and unlocking from long distances, or it stops working completely. Your Jaguar InControl ®, touchscreen may display a message that reads “Smart key battery is low”. Slide the blade of the emergency key out to take off the fob's cover. Then, pull the emergency key to remove the chrome side bits and to separate the two components of the key fob's body. Replace the battery that was used with a new one making sure that you place it with the positive side facing upwards. Water damage If your Jaguar XF key fob has been through a bath with soapy water, or was exposed to salt water, the chip inside could be damaged. The key fob may not function and you'll need to buy a new one from your dealer. In this scenario, disassemble your key fob, and clean the metal retaining clip and the chip using isopropylethanol. If the remote control isn't working, it could be caused by signal interference. It could be due to nearby transmitters that operate on the same frequency as your XF's remote control or caused by objects like trees or buildings. If you move away the remote control will continue to function. Your Jaguar is designed to constantly monitor itself from engine performance to emissions to the brakes and lights. You'll get a notification if the battery is low. The key fob will lose range and you will receive an alert message that reads “SMART Key LOW BATTERY”. You'll need to replace your Jaguar XF keyfob battery as fast as you can in order to avoid any issues. Contacts to the battery are not working properly. Jaguar key fobs have many more features than conventional mechanical keys. They also are more sophisticated. However, just like any other electronic device, they may eventually wear out or stop working entirely. If the lock button on your Jaguar key fob starts to malfunction, it is likely that the battery will need to be replaced. You can buy replacement batteries for your Jaguar key fob from most auto parts stores. However, before replacing the battery, ensure that the battery you purchase is genuine Jaguar part. This will ensure it's the right size and voltage. It is also important to handle the battery carefully, as touching its outer edges can transfer skin moisture and oil that can shorten the life of the battery and corrode its contacts. A Jaguar key fob can be described as an electronic remote control that can unlock your car's doors, activate the alarm, and open the windows and sunroof. It can double-lock your vehicle to protect it from thieves. The Jaguar key fob comes with an aluminum casing that is difficult to break or cause damage. Faulty receiver module The key fob transmits a radio signal at a low-frequency that is detected by a receiver module in the Jaguar. This module receives the signal from your smart key and then activates the door locks, or disables the security system. The module also lets you to start your vehicle and control the audio system. If the receiver module is damaged and is not working properly, it will stop working. To resolve the issue you must drain the battery of 12 volts by disconnecting it from both terminals while waiting for a few minutes. Reconnect the battery in reverse. 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 hinder the Body Control Module (BCM) from acknowledging the key signals. The key fob can be reset to work again by following the steps in the owner's manual. Electronic chip malfunctions Jaguar key fobs include electronic transponder chips which are programmed. They receive a unique remote control signal, and send it to the receiver module. If the receiver module malfunctions it will block you from using your key fob to lock or unlock your vehicle. There are several common reasons that you can fix yourself. First, make sure that the key fob's contact button is working correctly. If not, it's possible that the button or contact is worn out. It is important to replace the battery in a proper manner. Use a battery with the same size, voltage, and specifications as the original. Also, ensure that the new battery is not exposed to water or salt. If your Jaguar key fob has a problem it is essential to find a professional locksmith who can repair or replace it. The service is costly but is cheaper than buying the new key fob from the dealer. If you have the proper tools, you could do this yourself.