Everything You Need To Learn About Jaguar Key Fob 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 has security features, including the ability "double lock" a vehicle to prevent thieves from breaking your windows to gain entry.

However, there are many reasons why your Jaguar XF key fob might not function. One of them is a malfunctioning battery, signal interference, and an unreliable chip.

Dead coin battery

Modern electronic keys offer greater convenience and security over traditional keys that are manually operated. They can lock and unlock the vehicle, turn on the lights and even start the motor. They also have additional features to make driving easier. They may lose their charge over time. If you've noticed the key fob of your Jaguar XF isn't working it could be due to a dead coin battery. It's simple to replace.


Crofton drivers will know it's time to replace the battery if their key fob ceases to function or isn't as effective in locking and unlocking from at a distance. You may also receive a message on your Jaguar InControl (r) touchscreen interface that says "Smart key battery low".

Slide the blade of the emergency key out to take off the cover of the key fob. Pull the emergency key in order to remove any chrome pieces on the side and separate the two halves of the key fob. Replace the old battery with a new one making sure to place it with the positive side facing upward.

Water damage

The electronic chip in the Jaguar XF's key fob could be damaged if has been exposed to salt water or survived the effects of a soapy bath. This could prevent the key fob from working and cause you to require an upgrade from your dealer. In this scenario, take apart your key fob and clean the metal clip that holds it as well as the chip using isopropyl ethanol.

Signal interference could be the cause of a remote control that doesn't work. This could be caused due to nearby transmitters operating on the same frequency as the remote control for your XF or by obstructions like buildings or trees. The remote control should continue to function even if you are away from the source of the interference.

Your Jaguar is designed to continuously monitor itself - from engine performance and emissions to the lights and brakes. If you're alerted, the battery is running low. One of them will be a decrease in the range of your key fob, and another will be a message that reads "SMART KEY BATTERY LOW." It is recommended to replace the Jaguar XF key fob battery in the earliest time possible to avoid the problems.

Contacts of the battery may be damaged.

Jaguar key fobs offer many more features than traditional mechanical keys. They are also more sophisticated. But, as with any electronic device, they can eventually get worn out or cease functioning completely. The battery could have to be replaced in the event that the lock button on the Jaguar key fob begins to malfunction.

You can purchase replacement batteries for your Jaguar key fob from most auto parts stores. Before replacing the battery, ensure that it is an original Jaguar part. This will ensure it is the right size and voltage. Careful handling of the battery is important, as the moisture from the skin and oil could be transferred to the edges, which can reduce battery life and damaging the contacts.

A Jaguar key fob can be used as remote control to unlock the doors of your vehicle, activate the alarm and open the sunroof as well as windows. It can even double-lock the vehicle, ensuring that it is secure from theft. The Jaguar key fob is protected by a metal casing making it impossible to break or damage.

The receiver module is not working properly.

The key fob emits an radio signal at a low-frequency which is detected by a receiver module in the Jaguar. This 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 car and control the audio system. If the receiver module is defective and stops working, it could cause the system to stop. To resolve the problem you must drain the battery of 12 volts by disconnecting it from both terminals and letting it sit for some time. Then reconnect sources tell me in reverse.

Another reason that is commonly cited for Jaguar XF key fob not functioning is interference from other objects or transmitters operating on the same frequency. Interference can also prevent the Body Control Module from recognizing key signals. You can reprogramme the key fob to make it work again by following the instructions in the owner's manual.

Electronic chip that is malfunctioning

Jaguar key fobs are fitted with digital, coded transponder chips. These chips receive a unique remote control signal and transmit it to the car's receiver module. If the receiver module is defective, you won't be capable of using the key fob to unlock or lock your vehicle. There are several common causes that you can fix yourself.

First, make sure that the button on the key fob is functioning. If it's not, you have worn out the button or contact. It is important to replace the batteries properly. Make sure you choose a battery that is identical in size, voltage, and specification as the original. Make sure that the new battery is not brought into contact with salt or water.

If your Jaguar key fob is broken, it is important to find a skilled locksmith who can repair or replace it. This type of service is costly, but it's significantly less expensive than purchasing an alternative key fob from the dealer. If you have the right tools, you can do this yourself.