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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 provides security features like the ability to “double lock” your vehicle, stopping thieves from breaking windows to gain access. However, there are many reasons for why your Jaguar XF key fob might not work. These include a dead coin battery, signal interference, and a malfunctioning electronic chip. Dead coin battery Modern electronic key fobs provide more security and convenience than traditional manual keys. They can be used to lock and unlock the vehicle, turn on the lights and even start the motor. They come with additional features that make driving more comfortable. However, they may lose their charge in time. If you've noticed that the key fob of your Jaguar XF isn't working, it could be due to a dead coin battery. The good news is that replacing it is a quick and easy fix. Crofton drivers can tell it's time to replace the battery if their key fob ceases to function or isn't as effective in locking and unlocking from an extended distance. You might also get a message on your Jaguar InControl ® touchscreen interface that reads “Smart key battery low”. Slide jaguar xf key fob for the emergency key out to remove the cover of the fob. Then, pull the emergency key to release the chrome side bits and separate the two parts of the key fob's body. Replace the battery you have previously used and ensure that the positive side is facing upwards. Water damage The electronic chip in your Jaguar XF's key fob could be damaged if has been exposed to saltwater or survived an in-salinity bath. This could prevent the key fob from functioning and force you to purchase a replacement from your dealer. In this situation, you should disassemble the key fob and clean the metal retaining clips as well as the electronic chip with isopropyl alcohol. Signal interference could be the cause of a remote control that doesn't work. This can be caused by nearby transmitters operating on the exact frequency as your remote control from XF or caused by other objects like trees or structures. The remote control should continue function even if you move away from the source of the interference. Your Jaguar is built to ensure that it continuously monitors itself in all aspects, from engine's performance through emissions to brakes and lights. If you're alerted, the battery is not functioning properly. One of them will be an increase in the range of your key fob. another message that reads “SMART KEY BATTERY LOW.” You'll need to replace the Jaguar XF key fob battery immediately to avoid the problems. Contacts for the battery that are defective Modern Jaguar key fobs are far more sophisticated than traditional mechanical keys and offer a variety of additional features. But, as with any electronic device, they could eventually fail or cease working completely. If the lock button on your Jaguar key fob starts to fail, it's likely that the battery needs to be replaced. Most auto parts stores carry replacement batteries for Jaguar key fobs. However, before replacing the battery, be sure that the battery you purchase is a genuine Jaguar part. This will guarantee that it's the correct size and voltage. Handling the battery with care is vital, as skin moisture and oil may be transferred to the outer edges, which can reduce battery life and damaging the contacts. A Jaguar key fob is a remote control that can unlock your car's doors, activate the alarm, and open the windows and sunroof. It can also double-lock your vehicle, making sure it is safe from thieves. The Jaguar key fob is protected by a metal casing, making it difficult to break or scratch. The receiver module is not working properly. The key fob emits an radio signal at a low frequency that is picked up by a receiver module within the Jaguar. The receiver module receives the signal from your smart key and then activates the door locks or disarms the security system. This module also allows you to start your car and control the audio system. The receiver module might stop working if it is defective. The battery that is 12 volts should be removed by disconnecting both terminals. Take a moment to wait. Reconnect the battery in reverse. 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. The key fob can be programmed to function again by following the directions in the owner's manual. Electronic chip malfunctions Jaguar key fobs come with electronic transponder chips that are coded. The chips read a specific signal from the remote control and transmit it to the receiver module inside your vehicle. If the receiver module is faulty, it will prevent you from using your key fob to unlock and lock your car. There are a few typical issues that you can fix yourself. First, make sure that the key fob's button is working correctly. If not, it's a sign that the button or contact is damaged. It is also essential to replace the battery correctly. Make sure you use a battery that is the same voltage, size and specifications as the original one. Also, make sure that the new battery isn't exposed to water or salt. It is important to find a reputable locksmith that is able to repair or replacing your Jaguar key fob. This service is expensive however it is less expensive than buying a new key fob from the dealer. If you have the right tools, you can do this yourself.