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How to Replace a Dead Coin Battery in Your Jaguar XF<img width="300" src="">The Jaguar Smart Key system allows you to lock your Jaguar quickly and easily. It also provides security features like the ability to "double lock" your vehicle, which stops thieves from breaking windows to gain access.There are a variety of reasons for why the Jaguar XF keyfob may not function. A few of them are a malfunctioning battery, signal interference and an unreliable chip.Dead coin batteryModern electronic keys offer more convenience and security over traditional manual keys. They can lock and unlock your vehicle, turn on the lights and then start the engine. They come with additional features that make driving easier. They can lose their charge with time. If you've noticed that your Jaguar XF's key fob isn't working, it could be due to a dead battery in the coin. 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 isn't as effective in locking and unlocking from an extended distance. You may also see an email on your Jaguar InControl? (r) touchscreen interface that reads "Smart key battery low".Slide the emergency key blade out to remove the fob's cover. Pull the emergency key to remove any chrome pieces on the side, and then cut off the two halves of the fob for the key. Replace the old battery by ensuring that the positive side is facing upward.Water damageIf your Jaguar XF key fob has survived a bath in soapy water, or has been exposed to salt water, the chip inside may be damaged. This can prevent the key fob from working and cause you to require a replacement from your dealer. In this situation you should take apart the key fob and clean the metal clips and the electronic chip with isopropyl alcohol.Signal interference could be a cause of a remote control which isn't working. It could be due to nearby transmitters on the same frequency as your remote control from XF or caused by other objects like trees or structures. If you move the remote control will still work.Your Jaguar is designed so that it constantly monitors itself in all aspects, from engine performance to emissions to brakes and lights. This means that if your car begins to run low on battery power, you'll be notified by warnings. One of them will be an increase in the range of your key fob and another warning 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 issues.Contacts for the battery that are defectiveModern Jaguar key fobs are more advanced than mechanical keys of the past, and offer a variety of additional functions. But, as with any electronic device, they may eventually get worn 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. https://www.autokeys-r-us.co.uk/jaguar/ can buy replacement batteries for your Jaguar key fob from most auto parts stores. Before replacing the battery, make sure that the new battery is a genuine Jaguar part. This will ensure that it is of the proper size and voltage. It is also essential to take care when handling the battery, as touching its outer edges could transfer skin moisture and oil which could reduce battery life and corrode the contacts.A Jaguar key fob can be used as remote control to unlock the doors of your car to activate the alarm and open the sunroof as well as windows. It can even double-lock the vehicle, ensuring it is safe from thieves. The Jaguar key fob is secured by a steel casing, making it difficult to damage or break.The receiver module is not working properly.The key fob operates by transmitting a low-frequency radio signal which is detected by the receiver module within your Jaguar. The module receives the signal from your smart-key, and then activates or deactivates your security systems. It also allows you to start your car and control the audio system. The receiver module may stop working if it is faulty. The battery that is 12 volts should be removed by disconnecting both terminals. It should take a few seconds. Then reconnect the battery in reverse order.Another reason for Jaguar XF key fob not working is interference from nearby objects or transmitters operating on the same frequency. Interference can also prevent the Body Control Module from recognizing key signals. You can reprogramme the key fob to make it work once more by following the steps in the owner's manual.A malfunctioning electronic chipJaguar key fobs include electronic transponder chips which are programmed. These chips read a unique signal from the remote control and relay it to the receiver module within your vehicle. If this receiver module becomes malfunctioning, you will not be able to use the key fob to unlock or lock your car. There are a few common causes that you can fix yourself.Verify first that the button on the key fob is functioning. If not, it's likely that the button or contact is worn out. It is important to replace the batteries in a correct manner. Use a battery with the same voltage, size and specification as your original. Make sure the new battery does not come into contact with salt or water.If your Jaguar key fob is broken it is essential to find a professional locksmith who can fix or replace it. This type of service is expensive, however it is much cheaper than buying an alternative key fob from the dealer. If you have the right tools, you can complete this yourself.