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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 ability to “double lock” your vehicle, which stops thieves from breaking windows to gain access. There are many reasons that the Jaguar XF keyfob may not work. One of them is a malfunctioning battery, signal interference and an unreliable chip. Dead coin battery Modern electronic keys provide more security and convenience than traditional manual keys. They can lock and unlock the vehicle, turn on the lights and start the motor. They also have added features that make driving more convenient. However, they will lose their charge in time. If your Jaguar XF key fob has stopped working, it may be due to the battery that powers the coin is dead. The good news is that replacing it is a quick and simple fix. Crofton drivers will know it's time to buy an upgrade to their battery when the key fob becomes less efficient in locking and unlocking from long distances, or it stops working completely. You may also receive an email on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. To replace the battery to replace the battery, slide the emergency key blade to remove the fob cover. Then, pull the emergency key to release the chrome side bits and then separate from the key fob's body. Replace the old battery making sure that the positive side is facing upward. Water damage The chip inside the Jaguar XF's key fob could be damaged if has been exposed to salt water or has survived a soapy bath. The key fob may not function properly, and you'll need to purchase a replacement from a dealer. In this instance, you must disassemble your key fob and clean the metal retaining clip as well as the chip using isopropylethanol. If the remote control still does not work, it could be caused by signal interference. This could be caused due to nearby transmitters operating on the same frequency as the remote control of your XF, or by objects like buildings or trees. The remote control should continue function if you remove yourself from the source of interference. Your Jaguar is built to monitor itself constantly from engine performance and emissions to the lights and brakes. This means that when it begins to lose battery power, you'll be notified by warnings. The key fob will lose range and you'll receive an alert message that reads “SMART KEY LOW BATTERY”. It is necessary to replace the battery of your Jaguar XF keyfob battery as quick as you can to avoid any issues. Faulty battery contacts Jaguar key fobs have many more features than conventional mechanical keys. They are also more sophisticated. Like any electronic device, these can wear out over time, or cease working altogether. The battery may need to be replaced when the lock button on the Jaguar key fob begins to malfunction. Most auto parts stores sell replacement batteries for Jaguar key fobs. Before replacing the battery ensure that it's an original Jaguar part. This will ensure it's the correct size and voltage. Careful handling of the battery is essential, since the moisture from the skin and oil could be transferred to the edges, reducing the battery's life and corroding the contacts. A Jaguar key fob can be used as 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 that it is secure from theft. The Jaguar key fob is protected by a metal casing making it impossible to break or damage. Receiver module that is defective The key fob operates by transmitting a low-frequency radio signal which is detected by the receiver module in your Jaguar. This module receives the signal from your smart-key and then activates or disarms your security system. This module also allows you to start your vehicle and control the audio system. If the receiver module is damaged, it can stop working. Remove the battery of 12 volts by disconnecting both terminals. Wait jaguar xf replacement key fob www.thekeylab.co.uk . Then, reconnect the battery in reverse. Another common reason for Jaguar XF key fob not functioning is interference from other objects or transmitters on the same frequency. Interference may also hinder the Body Control Module from recognizing key signals. You can reprogramme the key fob to allow it to work again by following the instructions in the owner’s manual. Electronic chip malfunctions Jaguar key fobs are fitted with transponder electronic, coded chips. They receive a unique remote control signal and send it to the car's receiver module. If the receiver module becomes malfunctioning, you will not be capable of using the key fob to unlock or lock your vehicle. Luckily, there are some common causes of this problem that you can address yourself. First, make sure that the button on your key fob is functioning properly. If not, it's a sign that the button or contact is worn out. It is also important to replace the battery in a proper manner. Use a new battery with the same voltage, size and specification as the original. Make sure that the new battery does not come into contact with water or salt. If your Jaguar key fob is broken it is essential to find a professional locksmith who can fix or replace it. The service is costly but is cheaper than buying a new key fob from the dealer. You can even complete this job yourself if the right equipment.