Who's The World's Top Expert On Jaguar Key Fob? 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 provides security features, such as the capability to "double lock" your vehicle, stopping thieves from breaking windows to gain access.


There are many reasons why your Jaguar XF key fob might not work. A few of them are a malfunctioning battery, signal interference, and an unreliable chip.

Dead coin battery

Modern electronic keys offer more convenience and security than keys that are manually operated. They can lock and unlock your vehicle, switch on the lights and then start the engine. They also come with added features to make driving easier. They are susceptible to losing charge with time. If you've noticed the key fob of your Jaguar XF isn't working it could be due to a dead battery in the coin. It's simple to replace.

Crofton drivers will be aware that it's time to get a new battery when the key fob isn't as efficient in locking and unlocking over long distances, or it stops working completely. The Jaguar InControl (r), touchscreen interface could display a message saying "Smart key battery is low".

To replace the battery, slide the emergency key blade to remove the fob cover. Pull the emergency key to eliminate any chrome bits from the side, and then cut off the two halves of the fob key. Replace the old battery with a new one making sure to place it with the positive side facing upward.

Water damage

The electronic chip in your Jaguar XF's key fob could be damaged if has been exposed salt water or has survived a soapy bath. The key fob might not function and you'll have to buy 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 with isopropyl alcohol.

Signal interference could be a cause of a remote that doesn't work. This can be caused by nearby transmitters that operate on the same frequency as your remote control on XF, or it may be caused by objects like trees or structures. The remote control should continue function if you remove yourself from the source of the interference.

Your Jaguar is built to monitor itself constantly including engine performance and emissions to the lights and brakes. If you're alerted, the battery is running low. The key fob will lose its range, and you'll receive a message saying "SMART Key low battery". You'll need to replace the battery of your Jaguar XF keyfob battery as quick as you can to avoid any problems.

Faulty battery contacts

Jaguar key fobs provide more features than traditional mechanical keys. They also are more sophisticated. Like all electronic devices, these can wear out over time, or cease functioning completely. The battery could need to be replaced when the lock button on the Jaguar key fob starts to fail.

The majority of auto parts stores offer replacement batteries for Jaguar key fobs. Before you replace the battery ensure that it's an original Jaguar part. This will ensure that it is the correct size and voltage. Being careful when handling the battery is important, as the moisture from the skin and oil could be transferred to the edges, reducing battery life and corroding the contacts.

A Jaguar key fob can be described as a remote control that can unlock your car's doors as well as activate the alarm and open the windows and sunroof. It can even double-lock the vehicle, making sure it is safe from thieves. The Jaguar key fob features a steel casing that makes it difficult to break or cause damage.

Receiver module that is defective

The key fob transmits the radio signal at a low-frequency that is interpreted by a receiver module in the Jaguar. jaguar xf keys receives the signal from your smart key and then activates the door locks, or disarms the security system. It also lets you start your car and control the audio system. If the receiver module is defective and stops working, it could cause the system to stop. To resolve the issue take the battery with 12 volts by disconnecting it from both terminals and letting it sit for a few minutes. Reconnect the battery in reverse.

Another reason that is commonly cited for Jaguar XF key fob not working is interference from nearby objects or transmitters on the same frequency. Interference could also stop the Body Control Module (BCM) from recognizing the key signals. You can reprogramme the key fob to make it function again by following the directions in the owner’s manual.

Electronic chip that is malfunctioning

Jaguar key fobs have electronic transponder chips that are encoded. These chips read a unique signal from the remote control and transmit it to the receiver module within your car. If the receiver module is faulty, it will prevent you from using your key fob to lock and unlock your vehicle. Fortunately, there are a few common causes of this problem which you can resolve yourself.

First, make sure 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 important to replace the battery properly. Make sure to use a battery with the same voltage, size and specification as your original. Also, make sure that the new battery has not been exposed to salt or water.

If your Jaguar key fob is faulty It is crucial to find a professional locksmith who can repair or replace it. This is costly, but is much less costly than buying a new key fob at the dealer. You can even do this task yourself if your have the right equipment.