The One Jaguar Key Fob Mistake That Every Beginner Makes 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, including the ability "double lock" your vehicle to stop thieves from breaking into your windows to gain entry.

There are a number of reasons that the Jaguar XF keyfob may not function. There are a variety of reasons, including a malfunctioning battery, signal interference, or the chip is defective.

Dead coin battery

Modern electronic keys provide greater convenience and security over traditional manual keys. They can be used to lock and unlock the vehicle, turn on the lights and start the engine. They come with additional features that make driving easier. However, they may lose their charge as time passes. If you have noticed that your Jaguar XF's key fob isn't functioning it could be due to a dead battery in the coin. The good news is that replacing it is a quick and easy fix.

Crofton drivers will know it's time for a new battery when the key fob doesn't seem to be as effective in locking and unlocking over long distances or stops working altogether. You might also get an email on your Jaguar InControl (r) touchscreen interface that reads "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 then separate the two pieces of the key fob's body. Replace the old battery with a new one making sure to place it with the positive side facing upward.

Water damage

The chip that is embedded in the Jaguar XF's key fob could be damaged if it has been exposed to salt water or survived an in-salinity bath. The key fob may not function properly, and you'll need to purchase a replacement from a dealer. In this instance it is recommended to disassemble the key fob and clean the metal retaining clips as well as the electronic chip with isopropyl alcohol.


Signal interference could be the cause of a remote control that isn't working. This can be caused by nearby transmitters operating on the exact frequency as your remote control on XF, or it may be caused by other objects like trees or buildings. If you relocate the remote control will remain functional.

Your Jaguar is designed to constantly monitor itself from engine performance and emissions to the lights and brakes. This means that if it starts to run out of battery power, you'll be notified by warnings. The key fob will be unable to function and you will receive an alert message that reads "SMART KEY low battery". It is essential to replace the battery of your Jaguar XF keyfob battery as quickly as possible to avoid any problems.

Contacts of the battery may be damaged.

Jaguar key fobs provide more features than traditional mechanical keys. They are also more sophisticated. However, just like any other electronic device, they can eventually get worn out or cease to function completely. If the lock button on your Jaguar key fob begins to fail, it's likely that the battery will need to be replaced.

The majority of auto parts stores sell replacement batteries for Jaguar key fobs. Before replacing the battery ensure that it is an original Jaguar part. This will ensure that it is the correct size and voltage. Handling the battery with care is vital, as oils and skin moisture can be transferred to the edges, which can reduce battery life and damaging the contacts.

A Jaguar key fob can be used as an remote control that allows you to unlock the doors of your car activate the alarm, and open the sunroof and windows. It can also double-lock your vehicle, ensuring that it is safe from thieves. The Jaguar key fob is secured by a metal casing, making it difficult to damage or break.

Faulty receiver module

The key fob sends out an radio signal at a low-frequency that is detected by a receiver module inside the Jaguar. The module receives the signal from your smart-key, and then activates or deactivates your security systems. It also enables you to start your car and control the audio system. The receiver module can fail if faulty. Drain the 12 volts battery by disconnecting both terminals. Wait a few moments. Then 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 can also block the Body Control Module from recognizing key signals. The key fob can be reprogrammed to function again by following the steps in the owner's manual.

A malfunctioning electronic chip

Jaguar key fobs are equipped with transponder electronic, coded chips. These chips read a unique signal from the remote control and relay it to the receiver module within your vehicle. If the receiver module is defective it will stop you from using your key fob to lock and unlock your vehicle. Luckily, there are some common causes that you can solve yourself.

The first step is to check if the key fob's button functioning correctly. If it's not working, it could be a worn out button or contact. It is also essential to replace the battery properly. Be sure to choose one that has the same voltage, size and specifications as the original. Make sure that the new battery does not come into contact with salt or water.

It is crucial to seek out an experienced locksmith who can fix or replacing your Jaguar key fob. This kind of service may be expensive, but it is significantly less expensive than purchasing the replacement key fob from the dealer. If G28 have the right tools, you can do this yourself.