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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, like the ability “double lock” your vehicle to stop thieves from breaking your 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 provide more convenience and security than traditional keys. They can lock and unlock your car, turn on the lights, and even start the engine. They also have added features that make driving more convenient. They are prone to losing their charge with time. If you've noticed the key fob of your Jaguar XF 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 simple fix. Crofton drivers will recognize it's time for an upgrade to their battery when the key fob becomes less efficient in locking and unlocking over long distances or stops working altogether. Your Jaguar InControl ® touchscreen interface may display a message saying “Smart key battery is low”. Slide the blade of the emergency key out to remove the fob's cover. Pull the emergency key in order to remove any chrome bits on the side and separate the two halves of the fob for the key. Replace the battery that was used with a new one making sure to put it with the positive side facing upward. Water damage If your Jaguar XF key fob has been exposed to soapy water, or it was exposed to salt water, the electronic chip inside could be damaged. The key fob might not work, and you will need to buy a replacement from your dealer. In this instance, you must 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 by nearby transmitters that use the same frequency as the remote control for your XF or by obstructions like trees or buildings. The remote control should continue to work if you move away 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 if it begins to lose battery power, it will send warnings. One of these will be a decrease 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 possible to avoid problems. Faulty battery contacts Modern Jaguar key fobs are more advanced than mechanical keys of the past, and offer a variety of additional functionality. Like any electronic device they will wear out over time or stop functioning completely. If the lock button on your Jaguar key fob starts to fail, it's likely that the battery needs to be replaced. You can purchase replacement batteries for your Jaguar key fob from most auto parts stores. Before replacing the battery make sure it is an original Jaguar part. This will ensure that it is the correct size and voltage. It is also essential to handle the battery in a controlled manner since 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 remote control to open the doors of your car as well as to turn off the alarm and open the sunroof as well as windows. It can also double-lock your vehicle to protect it from thieves. The Jaguar key fob is protected by a metal casing making it impossible to damage or break. Faulty receiver module The key fob works by transmitting a radio signal which is detected by the receiver module within your Jaguar. This module receives the signal from your smart-key and then activates or disables your security system. It also allows you to start your car and control the audio system. The receiver module may cease to function if it's faulty. The battery that is 12 volts should be removed by disconnecting both terminals. Wait a few moments. Reconnect the battery in reverse. Interference from nearby objects or transmitters using the same frequency are another reason that is commonly cited for Jaguar XF keyfob not working. Interference could also stop the Body Control Module (BCM) from recognizing the key signals. You can reprogram the key fob to allow it to function again by following the directions in the owner’s manual. Electronic chip that is malfunctioning Jaguar key fobs come with electronic transponder chips which are programmed. These chips read a unique signal from the remote control and relay it to the receiver module that is in your car. If the receiver module is damaged, you will not be capable of using the key fob to lock or unlock your vehicle. There are several common causes that you can fix yourself. Verify first that the button on the key fob is working. If it's not, it's likely that the button or contact is damaged. It is crucial to replace the batteries in a correct manner. Use a battery with the same dimensions, voltage and specifications as your original. Make sure the new battery is not brought into contact with water or salt. jaguar key replacement cost is essential to find a reputable locksmith who can fix or replacing your Jaguar key fob. The service is costly however it is less expensive than buying the new key fob from the dealer. You can even complete this task yourself if your have the right equipment.