The Next Big Trend In The Jaguar Key Fob Industry 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 comes with security features such as the ability to "double lock" your vehicle, stopping thieves from breaking windows to gain access.

There are a number of reasons that 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 keys. They can be used to lock and unlock the vehicle, turn on lights and start the engine. They also come with added features that make driving more convenient. They are prone to losing their battery over time. If your Jaguar XF key fob has stopped working, it may be due to the battery that powers the coin is dead. It's easy to replace.

Crofton drivers will recognize it's time for a new battery when the key fob becomes less efficient at locking and unlocking from long distances, or it stops working completely. You may also receive an email on your Jaguar InControl (r) touchscreen interface saying "Smart key battery low".

Slide the blade of the emergency key out to expose the cover on the fob. Then, pull the emergency key in order to remove the chrome side bits and separate from the key fob's body. Replace the battery that was used making sure that the positive side is facing upward.

Water damage

The chip in the Jaguar XF's key fob could be damaged if the key fob was exposed to salt water or survived the effects of a soapy bath. The key fob may not work, and you'll need to purchase a replacement from a 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.

Signal interference could be the reason of a remote that doesn't function. It could be due to nearby transmitters on the same frequency as your XF's remote control or caused by things like trees or buildings. The remote control will continue to function if you remove yourself from the source of the 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 low. The key fob will lose range and you'll get a message stating "SMART KEY low battery". It is essential to replace your Jaguar XF keyfob battery as promptly as you can to avoid any problems.

Contacts to the battery are not working properly.

Jaguar key fobs offer many more features than conventional mechanical keys. They also are more sophisticated. As with any electronic device, they are prone to wear out with time or cease functioning completely. If the lock button on your Jaguar key fob starts to malfunction, it is likely that the battery needs to be replaced.

Most auto parts stores carry replacement batteries for Jaguar key fobs. However, before replacing the battery, make sure that the new one is a genuine Jaguar part. This will ensure that it is the correct size and voltage. Careful handling of the battery is important, as skin moisture and oil can be transferred to the edges, reducing battery life and damaging the contacts.

A Jaguar key fob can be used as remote control to open the doors of your vehicle to 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 secured by a steel casing, making it impossible to break or scratch.

Receiver module that is defective

The key fob operates by transmitting a low-frequency radio signal that is picked up by the receiver module in your Jaguar. The receiver module receives the signal from your smart key and then activates the door locks, or deactivates the security system. This module also allows you to start your vehicle and control the audio system. If the receiver module fails, it can stop working. To fix the issue remove the battery with 12 volts by disconnecting it from both terminals, and then waiting for some time. Reconnect the battery in reverse.

Interference from nearby transmitters or objects using the same frequency are another reason that is commonly cited for Jaguar XF keyfob not working. Interference may also prevent the Body Control Module (BCM) from understanding the key signals. You can reprogramme the key fob to allow it to work again by following instructions in the owner’s manual.

A malfunctioning electronic chip

Jaguar key fobs come with electronic, coded transponder chips. These chips receive a distinct remote control signal, and send it to your car's receiver module. If the receiver module becomes faulty, you will not be capable of using the key fob to lock or unlock your vehicle. There are several common causes that you can repair yourself.

Verify first that the button on the key fob is functioning. If it is not, you may have worn-out buttons or contact. G28 is also crucial to replace the battery correctly. Be sure to use an alternative battery that has identical in size, voltage, and specification as the original. Make sure that the new battery is not brought into contact with water or salt.

If your Jaguar key fob is damaged, it is important to find a professional locksmith who can fix or replace it. This kind of service can be costly, but it's far less expensive than purchasing the replacement key fob from the dealer. You can even do this task yourself if your have the proper equipment.