The History Of 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 comes with security features, like the ability to "double lock" the vehicle to stop thieves from breaking into your windows to gain entry.

There are a number of reasons for why the Jaguar XF keyfob may not function. These include a dead coin battery, signal interference, and a damaged electronic chip.

Dead coin battery

Modern electronic keys offer more convenience and security than keys that are manually operated. They can be used to lock and unlock the vehicle, turn on lights and start the motor. The Keylab come with additional features that make driving more convenient. They may lose their battery over time. If you've noticed that your Jaguar XF's key fob isn't functioning, it could be due to a dead coin battery. It is easy to replace.

Crofton drivers can tell when it's time to replace the battery if their key fob ceases to function or becomes less effective at locking and unlocking from at a distance. There's also a message 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. Pull the emergency key to remove any chrome bits that are on the side and then separate the two halves of the key fob. Replace the old battery, ensuring that the positive side is facing upward.

Water damage

The chip in the Jaguar XF's key fob may be damaged if it has been exposed to salt water or has survived an in-salinity bath. This can stop the key fob from working, causing you to need a new one from your dealer. In this instance, you must disassemble your key fob and clean the metal clip that holds it and the chip with isopropyl ethanol.

If the remote control still does not work, it could be caused by signal interference. It could be caused by nearby transmitters that operate on the same frequency as the remote control of your XF or by objects like trees or buildings. The remote control will continue to function even if you move away from the source of the interference.

Your Jaguar is designed so that it constantly monitors itself, from the engine's performance, to emissions, to brakes and lights. This means that if it begins to lose battery power, you'll receive warnings. One of them will be an increase in the range of your key fob. another message that reads "SMART Key Battery Low." You'll need to replace the Jaguar XF key fob battery as soon as you can to avoid these problems.

Contacts to the battery are not working properly.

Modern Jaguar key fobs are far more sophisticated than mechanical keys of the past, and they offer a lot of additional features. Like any electronic device, they will wear out with time or cease working altogether. The battery could have to be replaced in the event that the lock button on the Jaguar key fob starts to fail.


Most auto parts stores carry replacement batteries for Jaguar key fobs. Before you replace the battery make sure it is an original Jaguar part. This will ensure that it is the correct size and voltage. Careful handling of the battery is crucial, as the moisture from the skin and oil could be transferred to the edges, which can reduce 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 is protected by a steel casing, which makes it difficult to break or damage.

A malfunctioning receiver module

The key fob emits an audio signal at a low frequency which is detected by a receiver module in the Jaguar. The module receives the signal from your smart-key and then activates or deactivates your security systems. This module also allows you to start your car and control the audio system. If the receiver module is faulty and stops working, it could cause the system to stop. Take out the 12 volt battery by disconnecting both terminals. Give it a few minutes. Then reconnect the battery in reverse.

Another reason for Jaguar XF key fob not working is interference from surrounding objects or transmitters operating on the same frequency. 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.

Faulty electronic chip

Jaguar key fobs come with electronic transponder chips that are coded. These chips receive a unique signal from the remote control and transmit it to the receiver module inside your vehicle. If the receiver module is malfunctioning, you will not be in a position to use the key fob to unlock or lock your vehicle. Fortunately, there are common causes of this problem which you can resolve yourself.

Check first that the button on the key fob is functioning. If not, it's likely that the button or contact is damaged. It is important to replace the batteries correctly. Be sure to choose a battery that is the same size, voltage, and specification as the original one. Also, ensure that the new battery isn't exposed to salt or water.

If your Jaguar key fob is broken it is essential to find an experienced locksmith who can fix or replace it. This service is expensive but is much less costly than buying the new key fob from the dealer. If you have the proper tools, you can complete this yourself.