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 provides security features like the capability to "double lock" your vehicle, which stops thieves from breaking windows to gain access.

However, there are many reasons for why your Jaguar XF key fob might not work. Some of these include a dead battery, signal interference and an incompatible chip.

Dead coin battery

Modern electronic key fobs offer more convenience and security than traditional manual keys. They can be used to lock and unlock your vehicle, switch on the lights and start the engine. They also have features that allow you to drive more easily. However, they may lose their charge over time. If you have noticed that the key fob of your Jaguar XF isn't working it could be due to a dead battery in the coin. It's easy to replace.

Crofton drivers will be aware that it's time to get a new battery when the key fob becomes less effective at locking and unlocking from long distances, or it stops working completely. The Jaguar InControl (r) touchscreen interface may display a message stating "Smart key battery is depleted".

Slide the emergency key blade out to remove the fob's cover. Pull the emergency key to take off any chrome pieces on the side and then separate the two halves of the fob key. Replace the battery that was used making sure that the positive side is facing upward.

Water damage

The electronic chip in your Jaguar XF's key fob may be damaged if it was exposed to salt water or has survived an in-salinity bath. The key fob may not function, and you will need to buy a replacement from your dealer. In this situation you should take apart the key fob and clean the metal retaining clips and the electronic chip with isopropyl alcohol.

If the remote control isn't working, it could be due to signal interference. It could be caused by nearby transmitters using the same frequency as the remote control on your XF or by objects such as buildings or trees. If you move away the remote control will remain functional.


Your Jaguar is designed to ensure that it monitors itself continuously in all aspects, from engine's performance, to emissions, to brakes and lights. This means that if it begins to run out of battery power, you'll get warnings. g28carkeys.co.uk will lose its range, and you'll get an error message that reads "SMART KEY low battery". It is essential to replace your Jaguar XF keyfob battery as quickly as possible to avoid any problems.

Contacts of the battery may be damaged.

Jaguar key fobs have many more features than conventional mechanical keys. They are also more sophisticated. Like any electronic device, they can become worn out over time or cease functioning completely. The battery could need to be replaced when 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 replacing the battery ensure that it's an original Jaguar part. This will ensure that it is the right size and voltage. Being careful when handling the battery is important, as the moisture from the skin and oil could be transferred to the outer edges, decreasing battery life and corroding the contacts.

A Jaguar key fob is a remote control that will unlock the doors of your car, activate the alarm, and open the windows and sunroof. It can even double-lock the vehicle, ensuring it is secure from theft. The Jaguar key fob has a steel casing that is difficult to break or damage.

Faulty receiver module

The key fob transmits an audio signal at a low frequency which is detected by a receiver module in the Jaguar. The receiver module receives the signal from your smart keys and opens the door locks or disarms the security system. It also lets you start your car and control the audio system. The receiver module might cease to function if it's defective. Take out the 12 volt battery by disconnecting both terminals. Give it a few minutes. Reconnect the battery in reverse.

Interference from nearby objects or transmitters that operate on the same frequency is another common cause for Jaguar XF keyfob not working. Interference may also hinder the Body Control Module from recognizing key signals. The key fob can be reprogrammed to work properly again by following the directions in the owner's manual.

Electronic chip that is malfunctioning

Jaguar key fobs have electronic transponder chips that are coded. These chips detect a unique signal from the remote control and send it to the receiver module that is in your vehicle. If the receiver module malfunctions it will stop you from using your key fob to unlock and lock your vehicle. Fortunately, there are common causes that you can fix yourself.

Check first that the button on the key fob is functioning. If not, it's possible that the button or contact is worn out. It is essential to replace the batteries in a correct manner. Be sure to choose a battery that is the same size, voltage, and specification as the original one. Make sure the new battery doesn't come into contact with salt or water.

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