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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. 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 many reasons why the Jaguar XF keyfob may not work. There are a variety of reasons, including a malfunctioning battery, signal interference and an incompatible chip. Dead coin battery Modern electronic key fobs provide more security and convenience than traditional manual keys. They can lock and unlock the vehicle, turn on lights and even start the motor. They have additional features that allow you to drive more easily. They may lose their charge with time. If you've noticed that your Jaguar XF's key fob isn't functioning, it could be due to a dead coin battery. It's simple to replace. Crofton drivers will know 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 alert on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. Slide the blade for the emergency key out to expose the cover on the fob. Then, pull the emergency key to release the chrome side bits and separate the two components of the key fob's body. Replace the battery you have previously used making sure that the positive side is 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 may be damaged. This could stop the key fob from working and you will need an upgrade from your dealer. In this situation you should take apart the key fob and clean the metal retaining clips as well as the electronic chip using isopropyl alcohol. If the remote control does not work, it could be caused by signal interference. This can be caused by nearby transmitters that operate on the same frequency as the remote control on XF, or it may be caused by objects like trees or buildings. If you leave, the remote control should still work. Your Jaguar is built to ensure that it continuously monitors itself all the way from engine's performance to emissions to brakes and lights. If you're alerted, the battery is not functioning properly. One of these is a decrease in the range of your key fob. The another message that reads “SMART Key Battery Low.” It is recommended to replace the Jaguar XF key fob battery in the earliest time possible to avoid these problems. Contacts for the battery that are defective Modern Jaguar key fobs are far more sophisticated than traditional mechanical keys and they come with a host of additional functionality. Like any electronic device they will wear out over time, or cease functioning completely. The battery may need to be replaced if the lock button on the Jaguar key fob begins to fail. You can buy replacement batteries for your Jaguar key fob at most auto parts stores. Before replacing the battery, ensure that it is an original Jaguar part. This will ensure that it is of the right size and voltage. It is also important to take care when handling the battery as touching its outside edges could transfer skin moisture and oil which can decrease the life of the battery and corrode its contacts. A Jaguar key fob is a 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 features an aluminum casing that makes it hard to break or damage. The receiver module is not working properly. The key fob functions by transmitting a low-frequency radio signal which is detected by the receiver module inside your Jaguar. The module receives the signal from your smart-key and activates or deactivates your security system. It also enables you to start your vehicle and control the audio system. If the receiver module is damaged, it can stop working. Drain the 12 volts battery by disconnecting both terminals. Wait thekeylab.co.uk . Reconnect the battery in reverse. Another common cause of Jaguar XF key fob not functioning is interference from other objects or transmitters operating on the same frequency. Interference can also hinder the Body Control Module (BCM) from understanding the key signals. You can reprogramme the key fob to allow it to work once more by following the steps in the owner's manual. Electronic chip that is malfunctioning Jaguar key fobs come with electronic, encrypted transponder chips. The chips receive a specific remote control signal, and send it to the car's receiver module. If the receiver module is damaged, you will not be capable of using the key fob to lock or unlock your vehicle. Fortunately, there are a few common causes of this problem which you can resolve yourself. Verify first that the button on the key fob is functioning. If not working, it could be worn out the button or contact. It is essential to replace the batteries in a correct manner. Be sure to choose an alternative battery that has the same size, voltage, and specification as the original. Also, make sure that the new battery isn't exposed to salt or water. It is important to find an experienced locksmith who can fix or replacing your Jaguar key fob. This service is expensive but is cheaper than buying the new key fob from the dealer. You can even complete this job yourself if the proper equipment.