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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 provides security features, such as the capability to “double lock” your vehicle, preventing thieves from breaking windows to gain access. There are many reasons that your Jaguar XF key fob might not function. These include a dead coin battery, signal interference and a defective electronic chip. Dead coin battery Modern electronic keys offer more convenience and security over traditional keys that are manually operated. They can lock and unlock your vehicle, switch on the lights and start the engine. They come with additional features that allow you to drive more easily. However, they could lose their charge as time passes. If you're Jaguar XF key fob has stopped working, it could be because the coin battery is dead. It's simple to replace. Crofton drivers will know it's time to replace their battery when their key fob stops working or is less effective in locking and unlocking from an extended distance. You may also see an alert on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. Slide the blade of the emergency key out to take off the cover on the fob. Then, pull the emergency key to release the chrome side bits, and then break the two parts of the key fob's body. Replace the old battery with a new one making sure to place it with the positive side facing upwards. Water damage If your Jaguar XF key fob has survived a bath in soapy water, or was exposed to salt water, the electronic chip inside may be damaged. The key fob may not function and you'll need to purchase a replacement from a dealer. In this situation, you should disassemble your key fob and clean the metal clip that holds it as well as the chip using isopropyl ethanol. If the remote control does not work, it could be caused by signal interference. This can be caused either by nearby transmitters using the same frequency as the remote control on your XF or by objects such as buildings or trees. If you move away, the remote control should remain functional. Your Jaguar is designed to ensure that it monitors itself continuously from engine's performance to emissions to brakes and lights. You'll be notified if the battery is in low. The key fob will lose its range and you'll get an alert message that reads “SMART KEY LOW BATTERY”. You will need to replace the battery in your Jaguar XF keyfob battery as quick as you can to avoid any issues. Faulty battery contacts Modern Jaguar key fobs are far more sophisticated than traditional mechanical keys, and they come with a host of additional features. Like all electronic devices, these can wear out over time or stop functioning completely. The battery may need to be replaced in the event that the lock button on the Jaguar key fob begins to malfunction. You can purchase replacement batteries for your Jaguar key fob in most auto parts stores. Before replacing the battery, make sure it is an original Jaguar part. This will ensure that it is of the right size and voltage. It is also essential to take care when handling the battery, as touching its outer edges could transfer oil and moisture from the skin that can shorten battery life and corrode the contacts. A Jaguar key fob can be used as a remote control to unlock 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 is made of an aluminum casing, which makes it difficult to break or destroy. A malfunctioning receiver module The key fob functions by transmitting a low-frequency radio signal which is detected by the receiver module of your Jaguar. This module receives a signal from your smart key and activates or deactivates your security system. This module also allows you to start your car and control the audio system. The receiver module may fail if damaged. To resolve the issue take the 12 volt battery by disconnecting it from both terminals and waiting for a few minutes. Then, reconnect jaguar xf key fob programming in reverse. Interference from nearby transmitters or objects using the same frequency are another common reason for Jaguar XF keyfob not working. Interference can also block the Body Control Module from recognizing key signals. The key fob is reprogrammed to function again by following the instructions in the owner's manual. Electronic chip that is malfunctioning Jaguar key fobs are equipped with 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 this will prevent you from using your key fob to unlock and lock your vehicle. Fortunately, there are a few common causes that you can solve yourself. First, check whether the key fob's button working properly. If it's not, you may have worn-out buttons or contact. It is important to replace the batteries properly. Make sure you use the same voltage, size and specifications as the original one. Make sure that the new battery is not brought into contact with salt or water. If your Jaguar key fob is broken it is vital to find a skilled locksmith who can repair or replace it. This kind of service may be costly, but it's cheaper than purchasing a new key fob at the dealer. If you have the right tools, you can complete this yourself.