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, like the ability "double lock" your vehicle to stop thieves from breaking your windows to gain entry.

There are many reasons why your Jaguar XF key fob might not work. These include a dead coin battery, signal interference and a damaged electronic chip.

Dead coin battery

Modern electronic key fobs offer more convenience and security than traditional keys. They can lock and unlock the vehicle, turn on the lights and start the engine. They have additional features that make driving more comfortable. They can lose their charge over time. If you have 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 quick and easy fix.

Crofton drivers will recognize it's time for a new battery if the key fob isn't as effective at locking and unlocking over long distances or stops working altogether. There's also an alert on your Jaguar InControl (r) touchscreen interface that says "Smart key battery low".

To replace the battery take the emergency key blade to remove the fob cover. Then, pull the emergency key to take out the chrome side bits, and then break the two parts of the key fob's body. Replace the old battery making sure that the positive side is facing upwards.

Water damage

If your Jaguar XF key fob has been through a bath with soapy water, or has been exposed to salt water, the electronic chip inside could be damaged. The key fob may not function and you will need to buy a new one from your dealer. In this situation, you should remove your key fob and clean the metal clip that holds it as well as the chip with isopropyl alcohol.


Signal interference could be a cause of a remote control that isn't working. It could be due to nearby transmitters operating on the same frequency as the remote control for XF or caused by things like buildings or trees. If you move away, the remote control should be able to work.

Your Jaguar is built to ensure that it is constantly monitoring itself in all aspects, from engine performance to emissions to brakes and lights. You'll get a notification if the battery is low. The key fob will be unable to function and you'll get a message saying "SMART Key LOW BATTERY". You'll need to replace the battery in your Jaguar XF keyfob battery as fast as you can in order 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, like any other electronic device, they could eventually fail or cease working completely. The battery may need to be replaced in the event that the lock button on the Jaguar key fob begins to malfunction.

You can buy replacement batteries for your Jaguar key fob at most auto parts stores. Before you replace the battery make sure it is an original Jaguar part. This will ensure that it is of the correct size and voltage. It is also essential to handle the battery in a controlled manner because touching its outer edges can transfer oil and moisture from the skin, which can reduce the life of the battery and corrode its 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 and windows. It can even double-lock the vehicle, making sure it is safe from thieves. The Jaguar key fob comes with an aluminum casing, which makes it impossible to break or harm.

The receiver module is not working properly.

The key fob transmits the radio signal at a low-frequency that is picked up by a receiver module within the Jaguar. The receiver module receives the signal from your smart key, and then opens the door locks, or disables the security system. This module also allows you to start your car and control the audio system. The receiver module could cease to function if it's malfunctioning. key jaguar that is 12 volts should be removed by disconnecting both terminals. Wait a few moments. Then reconnect the battery in reverse.

Another reason for Jaguar XF key fob not functioning is interference from other objects or transmitters on the same frequency. Interference could also stop the Body Control Module (BCM) from being able to recognize the key signals. The key fob can be programmed to work once more by following the directions in the owner's manual.

Faulty electronic chip

Jaguar key fobs include electronic transponder chips which are programmed. The chips read a specific signal from the remote control and send it to the receiver module that is in your vehicle. If this receiver module becomes faulty, you will not be able to use the key fob to unlock or lock your vehicle. Fortunately, there are common causes of this problem that you can address yourself.

Verify first that the button on the key fob works. If it's not, it's likely that the button or contact is worn out. It is also important to replace the battery properly. Be sure to choose identical in size, voltage and specifications as the original. Make sure the new battery doesn't come into contact with water or salt.

If your Jaguar key fob has a problem, it is important to find an experienced locksmith who can repair or replace it. This is costly, but is cheaper than buying a new key fob from the dealer. You could even complete the task yourself if your have the proper equipment.