Who's The Top Expert In The World On 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, including the ability "double lock" an automobile to stop thieves from breaking into your windows to gain entry.

However, there are numerous reasons that your Jaguar XF key fob might not work. There are a variety of reasons, including a dead battery, signal interference or the chip is defective.

Dead coin battery

Modern electronic keys provide greater convenience and security than manual keys. They can lock and unlock the vehicle, turn on the lights and start the engine. They also have additional features that make driving more convenient. They can lose their battery over time. If you've noticed that your Jaguar XF's key fob isn't working it could be due to a dead battery in the coin. The good news is that replacing it is a simple and easy fix.

Crofton drivers will know it's time to buy an upgrade to their battery when the key fob doesn't seem to be as effective at locking and unlocking from long distances or stops working altogether. Your Jaguar InControl (r) touchscreen interface might display a message stating "Smart key battery is low".

To replace the battery to replace the battery, slide the emergency key blade to take off the fob cover. Then, pull the emergency key to remove the chrome side bits, and then break the two pieces of the key fob's body. Replace the battery that was used by a new one making sure that you place it with the positive side facing upward.

Water damage

If your Jaguar XF key fob has been exposed to soapy water, or it has been exposed to salt water, the chip inside may be damaged. This could stop the key fob from functioning and cause you to require a new one from your dealer. In this scenario you must disassemble the key fob and clean the metal retaining clips and the electronic chip using isopropyl alcohol.

Signal interference could be a cause of a remote that isn't working. This can be caused by nearby transmitters operating on the exact frequency as your remote control from XF, or it may be caused by things like buildings or trees. The remote control will continue function even if you are away from the source of interference.

Your Jaguar is designed so that it is constantly monitoring itself from engine's performance through emissions to brakes and lights. This means that if your car begins to run out of battery power, you'll be notified by warnings. One of these will be an increase in the range of your key fob and another message that reads "SMART Key Battery Low." It is recommended to replace the Jaguar XF key fob battery immediately to avoid these issues.

Contacts for the battery that are defective

Jaguar key fobs provide more features than traditional mechanical keys. They are also more sophisticated. However, just like any other electronic device, they could eventually become worn out or stop working entirely. If the lock button on your Jaguar key fob begins to fail, it's likely that the battery needs to be replaced.

You can purchase replacement batteries for your Jaguar key fob from most auto parts stores. But before you replace the battery, ensure that the new one is genuine Jaguar part. This will ensure it is the correct size and voltage. It is also important to handle the battery carefully, as touching its outer edges can transfer skin moisture and oil which can decrease battery life and also corrode the contacts.


A Jaguar key fob can be used as remote control to open the doors of your car as well as to turn off the alarm and open the sunroof as well as windows. It can even double-lock the vehicle, ensuring it is safe from thieves. The Jaguar key fob is made of a steel casing that makes it hard to break or cause damage.

The receiver module is not working properly.

The key fob emits a radio signal at a low-frequency that is picked up by a receiver module in the Jaguar. The receiver module receives the signal from your smart keys and opens the door locks, or deactivates the security system. It also allows you to start your car and control the audio system. The receiver module can cease to function if it's damaged. Take out the 12 volt battery by disconnecting both terminals. Give it a few minutes. Then reconnect the battery in reverse.

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

Electronic chip malfunctions

Jaguar key fobs come with electronic transponder chips that are encoded. These chips read a unique signal from the remote control, and send it to the receiver module within your car. If the receiver module is faulty this will prevent you from using your key fob to lock or unlock your car. Fortunately, there are common causes that you can address yourself.

Make sure jaguar key replacement on the key fob works. If not, it's likely that the button or contact is damaged. It is important to replace the batteries properly. Make sure to use a battery with the same dimensions, voltage and specifications as your original. Make sure that the new battery does not come into contact with salt or water.

It is important to find a skilled locksmith who can repair or replacing your Jaguar key fob. This is costly, however it is less expensive than buying a new key fob at the dealer. You can even do this task yourself if your have the right equipment.