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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 has security features, such as the ability “double lock” your vehicle to stop thieves from breaking into your windows to gain entry. However, there are numerous reasons that your Jaguar XF key fob might not work. One of them is a dead battery, signal interference, and a defective chip. Dead coin battery Modern electronic keys offer greater convenience and security than manual keys. They can lock and unlock the vehicle, turn on lights and even start the motor. They also come with features that make driving more comfortable. They can lose their battery over time. If you're Jaguar XF key fob has stopped working, it could be due to the fact that the coin battery is dead. It is easy to replace. Crofton drivers will know it's time to replace their battery when their key fob stops working or isn't as effective in locking and unlocking from at a distance. You may also see a message on your Jaguar InControl ® touchscreen interface that says “Smart key battery low”. Slide the blade of the emergency key out to take off the cover of the fob. Pull the emergency key to take off any chrome bits from the side. Then, separate the two halves of the fob key. Replace the old battery by ensuring that the positive side is facing upwards. Water damage The chip that is embedded in the key fob of your Jaguar XF could be damaged if the key fob has been exposed to saltwater or survived a soapy bath. The key fob may not function, and you'll have to purchase a replacement from a dealer. In this case you should disassemble your key fob, and clean the metal retaining clip as well as the chip using isopropyl ethanol. If the remote control doesn't work, it might be caused by signal interference. This can be caused by nearby transmitters that operate on the same frequency as the XF's remote control, or it may be caused by things like trees or structures. The remote control should continue to function even if you are away from the source of interference. Your Jaguar is designed to monitor itself continuously from engine performance and emissions to the brakes and lights. You'll get a notification if the battery is in low. One of these is an increase in the range of your key fob. another one will be a message that reads “SMART Key Battery Low.” You'll need to replace the Jaguar XF key fob battery as soon as you can to avoid the 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 all electronic devices, they can become worn out over time, or cease working altogether. The battery could need to be replaced in the event that the lock button on the Jaguar key fob begins to fail. The majority of auto parts stores offer replacement batteries for Jaguar key fobs. Before replacing the battery, ensure that it is an original Jaguar part. This will ensure that it is of the right size and voltage. Handling the battery with care is crucial, 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 can be used as remote control to open the doors of your vehicle activate the alarm, and open the sunroof as well as windows. It can double-lock your car to guard it from thieves. The Jaguar key fob is made of an aluminum casing, which makes it impossible to break or damage. Receiver module that is defective The key fob emits the radio signal at a low-frequency that is picked up by a receiver module within the Jaguar. This module receives the signal from your smart key and activates the door locks or disarms the security system. The module also lets you to start your car 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. Give it a few minutes. Reconnect the battery in reverse. Interference from nearby transmitters or objects using the same frequency is another common cause for Jaguar XF keyfob not working. 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. Faulty electronic chip Jaguar key fobs are fitted with digital, coded transponder chips. The chips receive a specific remote control signal, and send it to your car's receiver module. If the receiver module becomes faulty, you will not be allowed to use your key fob to lock or unlock your vehicle. Luckily, there are jaguar replacement key fob which you can resolve yourself. First, make sure that the key fob's button working correctly. If not, it's a sign that the button or contact is worn out. It is important to replace the batteries in a correct manner. Make sure to use a battery with the same voltage, size and specification as the original. Make sure the new battery is not brought into contact with water or salt. It is important to find a skilled locksmith who can repair or replacing your Jaguar key fob. This kind of service can be costly, but it's significantly less expensive than purchasing an alternative key fob from the dealer. If you have the proper tools, you could do this yourself.