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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, like the ability to “double lock” the vehicle to stop thieves from breaking your windows to gain access. There are a myriad of reasons for why the Jaguar XF keyfob may not function. It could be due to a dead or defective coin battery, signal interference and a defective electronic chip. Dead coin battery Modern electronic keys provide more convenience and security than traditional manual keys. They can lock and unlock your car, turn on the lights, and even start the engine. They also come with added features that make driving more convenient. However, jaguar xf not recognising smart key can lose their charge in time. If you have noticed that the key fob of your Jaguar XF isn't functioning it could be due to a dead coin battery. It is easy to replace. Crofton drivers will know it's time to replace the battery when their key fob ceases to function or becomes less effective at locking and unlocking from a distance. The Jaguar InControl ® touchscreen interface might display a message that reads “Smart key battery is low”. Slide the blade 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 components of the key fob's body. Replace the battery that was used by ensuring that the positive side is facing upwards. Water damage If your Jaguar XF key fob has been exposed to soapy water, or it has been exposed to salt water, the electronic chip inside could be damaged. This can prevent the key fob from working and you will need a replacement from your dealer. In this instance, 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 reason of a remote control that isn't working. This can be caused by nearby transmitters operating on the exact frequency as your remote control for XF or caused by things like trees or buildings. If you leave, the remote control should be able to work. Your Jaguar is designed to monitor itself continuously including engine performance and emissions to the brakes and lights. This means that if it starts to run low on battery power, you'll get warnings. One of these is an increase in the range of your key fob. another will be a message that reads “SMART KEY BATTERY LOW.” It is recommended to replace the Jaguar XF key fob battery as soon as possible to avoid these problems. Contacts to the battery are not working properly. Jaguar key fobs come with many more features than traditional mechanical keys. They are also more sophisticated. However, like any other electronic device, they will eventually become worn out or stop working entirely. If the lock button on your Jaguar key fob starts to fail, it's likely that the battery will need to be replaced. You can buy replacement batteries for your Jaguar key fob in most auto parts stores. Before replacing the battery, make sure that the replacement is genuine Jaguar part. This will guarantee that it's the right size and voltage. Being careful when handling the battery is vital, as skin moisture and oil may be transferred to the outer edges, decreasing battery life and corrosion of the contacts. A Jaguar key fob can be used as remote control to unlock the doors of your car, activate the alarm and open the sunroof as well as windows. It can also double-lock your vehicle to keep it secure from thieves. The Jaguar key fob has an aluminum casing, which makes it impossible to break or cause damage. A malfunctioning receiver module The key fob transmits an audio signal at a low-frequency that is detected by a receiver module within the 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 and stops working, it could cause the system to stop. To resolve the problem you must drain the battery with 12 volts by disconnecting it from both terminals, and then waiting for some time. Then reconnect the battery in reverse. Interference from nearby transmitters or objects using the same frequency are another reason that can be a cause for Jaguar XF keyfob not working. Interference may also prevent the Body Control Module (BCM) from acknowledging the key signals. The key fob is reprogrammed to work once more using the instructions found in the owner's manual. A malfunctioning electronic chip Jaguar key fobs come with transponder electronic, coded chips. These chips detect a unique signal from the remote control and relay it to the receiver module in your car. If the receiver module is defective this will prevent you from using your key fob to lock or unlock your car. There are a few typical causes that you can repair yourself. First, check whether the key fob's button is functioning correctly. If not, it's likely that the button or contact is damaged. It is also important to replace the battery in a proper manner. Make sure you use a battery that has the same size, voltage and specifications as your original. Also, make sure that the new battery is not exposed to water or salt. If your Jaguar key fob is broken, it is important to find an experienced locksmith who can repair or replace it. This is costly, but is cheaper than buying the new key fob from the dealer. If you have the proper tools, you can complete this yourself.