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5 Lessons You Can Learn From 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 has security features like the ability "double lock" a vehicle to prevent thieves from breaking your windows to gain access.

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

Dead coin battery

Modern electronic keys offer greater convenience and security than manual keys. They can lock and unlock your vehicle, turn on the lights and start the engine. They also come with additional features that make driving more convenient. However, they may lose their charge as time passes. If you've noticed your Jaguar XF's key fob isn't functioning it could be due to a dead coin battery. jaguar activity key is that replacing it is a quick and simple fix.

Crofton drivers will recognize it's time for a new battery if the key fob becomes less efficient in locking and unlocking from long distances or ceases to function altogether. The Jaguar InControl (r) touchscreen interface might display a message stating "Smart key battery is depleted".

Slide the blade for the emergency key out to remove the cover of the fob. Pull the emergency key to take off any chrome pieces on the side and separate the two halves of the fob key. Replace the old battery by ensuring that the positive side is facing upward.

Water damage

The chip inside the key fob of your Jaguar XF could be damaged if has been exposed to saltwater or survived a soapy bath. The key fob might not function properly, and you'll need to purchase a replacement from your dealer. In this instance you must disassemble the key fob and clean the metal retaining clips and the electronic chip using isopropyl alcohol.

If the remote control still 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 for your XF, or by objects like trees or buildings. If you move, the remote control should continue to function.

Your Jaguar is built to ensure that it continuously monitors itself from engine's performance through emissions to brakes and lights. This means that when it begins to lose battery power, you'll receive warnings. The key fob will be unable to function and you will receive an error message that reads "SMART Key LOW BATTERY". It is necessary to replace the battery of your Jaguar XF keyfob battery as fast as you can in order to avoid any problems.

Contacts for the battery that are defective

Jaguar key fobs have many more features than conventional mechanical keys. They also are more sophisticated. Like any electronic device, they are prone to wear out over time, or cease working altogether. The battery could have to be replaced if the lock button on the Jaguar key fob begins to malfunction.

Most auto parts stores carry replacement batteries for Jaguar key fobs. However, before replacing the battery, ensure that the new one is a genuine Jaguar part. This will ensure that it is the correct size and voltage. It is also important to handle the battery with care as touching its outside edges can transfer oil and moisture from the skin that can shorten battery life and cause corrosion to the contacts.

A Jaguar key fob can be used as remote control to open the doors of your vehicle activate the alarm, and open the sunroof as well as windows. It can also double-lock your vehicle, making sure it is secure from theft. The Jaguar key fob is made of a metal casing that makes it impossible to break or damage.

Faulty receiver module

The key fob works by transmitting a radio signal that is picked up by the receiver module of your Jaguar. The receiver module receives the signal from your smart keys and opens the door locks or disarms the security system. The module also lets you to start your vehicle and control the audio system. The receiver module can cease to function if it's defective. The battery that is 12 volts should be removed by disconnecting both terminals. Take a moment to wait. Then, reconnect the battery in reverse.

Another common cause of Jaguar XF key fob not functioning is interference from other objects or transmitters operating on the same frequency. Interference may also prevent the Body Control Module (BCM) from acknowledging the key signals. The key fob can be reset to work properly again using the instructions found in the owner's manual.

A malfunctioning electronic chip

Jaguar key fobs come with transponder electronic, coded chips. These chips detect a unique signal from the remote control and send it to the receiver module in your vehicle. If the receiver module malfunctions it will block you from using your key fob to lock or unlock your vehicle. There are a few common causes that you can fix yourself.

Verify first that the button on the key fob is functioning. If not, you may have a worn out button or contact. It is essential to replace the batteries properly. Use a battery with the same size, voltage, and specifications as the original. Make sure that the new battery doesn't come into contact with water or salt.


If your Jaguar key fob has a problem it is essential to find an experienced locksmith who can repair or replace it. This kind of service may be expensive, but cheaper than purchasing a replacement key fob from the dealer. You can even complete this job yourself if you have the proper equipment.