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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, including the ability “double lock” a vehicle to prevent thieves from breaking windows to gain access. There are a variety of reasons for why the Jaguar XF keyfob may not work. A few of them are a dead battery, signal interference and a defective chip. Dead coin battery Modern electronic keys provide more security and convenience than traditional keys. jaguar keys replacement can lock and unlock your vehicle, switch on the lights, and even start the engine. They also come with additional features to make driving easier. However, they can lose their charge in time. If you've noticed that your Jaguar XF's key fob isn't working it could be due to a dead coin battery. The good news is that replacing it is a quick and simple fix. Crofton drivers can tell when it's time to replace the battery when their key fob stops working or is less effective at 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 emergency key blade out to take off the cover of the fob. Then, pull the emergency key to remove the chrome side bits and separate the two parts of the key fob's body. Replace the battery you have previously used, ensuring that the positive side is facing upwards. Water damage If your Jaguar XF key fob has been through a bath with soapy water or has been exposed to salt water, the chip inside could be damaged. The key fob might not function and you will need to purchase a replacement from your dealer. In this instance you must disassemble the key fob and clean the metal clips as well as the electronic chip using isopropyl alcohol. Signal interference could be the reason of a remote that doesn't function. This could be caused by nearby transmitters using the same frequency as the remote control on your XF or by obstructions like trees or buildings. The remote control should continue to function even if you move away from the source of the interference. Your Jaguar is designed to constantly monitor itself including engine performance and emissions to the brakes and lights. If you're alerted, the battery is not functioning properly. The key fob will lose its range, and you'll get an error 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. Contacts of the battery may be damaged. Modern Jaguar key fobs are more sophisticated than traditional mechanical keys, and they provide a wealth of additional features. As with any electronic device, these can wear out with time or cease working altogether. If the lock button on your Jaguar key fob begins to fail, it's likely that the battery needs to be replaced. The majority of auto parts stores sell replacement batteries for Jaguar key fobs. Before you replace the battery make sure it is an original Jaguar part. This will guarantee that it's the correct size and voltage. Being careful when handling the battery is vital, as oils and skin moisture can be transferred to the outer edges, decreasing battery life and corroding the contacts. A Jaguar key fob can be described as a remote control which can unlock the doors of your car and activate the alarm and open the windows and sunroof. It can even double-lock the vehicle, making sure it is secure from theft. The Jaguar key fob features a steel casing that is difficult to break or cause damage. Faulty receiver module The key fob works by transmitting a radio signal that is interpreted by the receiver module in your Jaguar. The module receives the signal from your smart-key and then activates or disables your security system. The module also lets you to start your car and control the audio system. The receiver module might be inoperable if it's malfunctioning. To resolve the problem, drain the battery to 12 volts by disconnecting it from both terminals while waiting for several minutes. Then, reconnect the battery in reverse. Interference from nearby objects or transmitters with the same frequency is another common reason for Jaguar XF keyfob not working. Interference can also block the Body Control Module from recognizing key signals. The key fob can be reprogrammed to function again by following the instructions in the owner's manual. Electronic chip that is malfunctioning Jaguar key fobs are fitted with electronic, coded transponder chips. The chips receive a specific remote control signal and send it to the car's receiver module. If the receiver module malfunctions it will block you from using your key fob to lock and unlock your vehicle. Luckily, there are some common causes that you can fix yourself. The first step is to check if the key fob's button is working properly. If not, it's a sign that the button or contact is damaged. It is essential to replace the batteries in a correct manner. Use a battery with the same size, voltage, and specifications as the original. Also, make sure that the new battery has not been exposed to water or salt. It is important to find an experienced locksmith that is able to repair or replacing your Jaguar key fob. This service is expensive but is much less costly than buying a new key fob at the dealer. If you have the proper tools, you can complete this yourself.