Test: How Much Do You Know About 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, which stops thieves from breaking windows to gain access.

There are many reasons that the Jaguar XF keyfob may not function. It could be due to a dead or defective coin battery, signal interference and a damaged electronic chip.

Dead coin battery

Modern electronic keys provide greater convenience and security than traditional manual keys. They can be used to lock and unlock the vehicle, turn on lights and even start the motor. They also come with added features to make driving easier. However, they will lose their charge as time passes. 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. It's easy to replace.

Crofton drivers will know it's time to replace their battery when their key fob stops working or isn't as effective in locking and unlocking from at a distance. You may also see an email on your Jaguar InControl (r) touchscreen interface saying "Smart key battery low".

Slide the blade for the emergency key out to expose the cover of the fob. Pull the emergency key to eliminate any chrome bits from the side, and then cut off the two halves of the fob for the key. Replace the battery that was used with a new one making sure to place it with the positive side facing upwards.

Water damage

The electronic chip in the Jaguar XF's key fob may be damaged if it has been exposed salt water or has survived the effects of a soapy bath. The key fob may not function, and you'll need buy a new one from your dealer. In this scenario, remove your key fob and clean the metal retaining clip as well as the chip with isopropyl alcohol.

If the remote control still isn't working, it could be caused by signal interference. This can be caused by nearby transmitters operating on the same frequency as your XF's remote control or caused by things like trees or structures. The remote control should continue to work if you move away from the source of interference.

Your Jaguar is designed so that it continuously monitors itself in all aspects, from engine performance to emissions to brakes and lights. You'll receive a warning if the battery is in low. The key fob will lose its range, and you will receive an error message that reads "SMART Key LOW BATTERY". It is essential to replace the battery of your Jaguar XF keyfob battery as fast as you can in order to avoid any issues.

Contacts of the battery may be damaged.

Jaguar key fobs come with many more features than conventional mechanical keys. They also are more sophisticated. But, as with any electronic device, they will eventually wear out or cease to function completely. The battery could have to be replaced if the lock button on the Jaguar key fob begins to fail.

You can purchase replacement batteries for your Jaguar key fob at a variety of auto parts stores. Before you replace the battery ensure that it's an original Jaguar part. This will ensure that it is of 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 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 car, activate the alarm and open the sunroof as well as windows. It can double-lock your car to guard it from thieves. jaguar xf spare key G28 comes with an aluminum casing, which makes it hard to break or destroy.

Receiver module that is defective

The key fob works by transmitting a radio signal that is interpreted by the receiver module within your Jaguar. This module receives the signal from your smart key and then activates the door locks or disarms the security system. It also allows you to start your car and manage the audio system. The receiver module might stop working if it is defective. Take out the 12 volt battery by disconnecting both terminals. Take a moment to wait. Reconnect the battery in reverse.

Another reason that is commonly cited for Jaguar XF key fob not working is interference from objects or transmitters on the same frequency. Interference can also block the Body Control Module (BCM) from being able to recognize the key signals. The key fob can be programmed to work again by following the instructions in the owner's manual.

A malfunctioning electronic chip

Jaguar key fobs come with transponder electronic, coded chips. These chips receive a unique remote control signal and send it to the car's receiver module. If the receiver module is defective, it will prevent you from using your key fob to lock or unlock your car. Luckily, there are some common causes of this problem that you can address yourself.

First, check whether the key fob's button working correctly. If it's not, you have worn-out buttons or contact. It is also essential to replace the battery properly. Be sure to use an alternative battery that has the same size, voltage, and specification as the original one. Also, ensure that the new battery is not exposed to water or salt.

It is essential to find an experienced locksmith who can repair or replacing your Jaguar key fob. This kind of service may be expensive, however it is cheaper than purchasing a replacement key fob from the dealer. If you have the proper tools, you can accomplish this yourself.