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Quiz: How Much Do You Know About 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 comes with security features such as the ability to "double lock" your vehicle, stopping thieves from breaking windows to gain access.

There are a myriad of reasons that the Jaguar XF keyfob may not work. This could be due to a dead coin battery, signal interference, and a malfunctioning electronic chip.

Dead coin battery

Modern electronic keys provide greater convenience and security than keys that are manually operated. They can be used to lock and unlock the vehicle, turn on the lights and start the motor. They also come with additional features that make driving more convenient. They are susceptible to losing charge over time. If you've noticed your Jaguar XF's key fob isn't functioning, it could be due to a dead coin battery. It's easy to replace.

Crofton drivers can tell it's time to replace their battery when their key fob stops working or is less effective at locking and unlocking from at a distance. You may also receive an email on your Jaguar InControl (r) touchscreen interface saying "Smart key battery low".

Slide the blade of the emergency key out to expose the cover of the fob. Then, pull the emergency key to take out the chrome side bits and then separate the two components of the key fob's body. Replace the battery you have previously used making sure that the positive side is facing upwards.

Water damage

If your Jaguar XF key fob has been exposed to soapy water or has been exposed to salt water, the chip inside could be damaged. The key fob may not function properly, and you will need to purchase a replacement from a dealer. In this scenario you should take apart the key fob and clean the metal retaining clips and the electronic chip using isopropyl alcohol.

If the remote control isn't working, it could be caused by signal interference. This can be caused by nearby transmitters on the same frequency as the remote control for XF or caused by objects like trees or structures. If you leave the remote control will remain functional.

Your Jaguar is designed to constantly monitor itself from engine performance to emissions to the brakes and lights. This means that if it starts to run out of battery power, you'll receive warnings. The key fob will be unable to function and you'll receive an alert message that reads "SMART Key LOW BATTERY". You will need to replace your Jaguar XF keyfob battery as fast as you can in order to avoid any issues.

Contacts for the battery that are defective

Jaguar key fobs provide 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 need to be replaced in the event that the lock button on the Jaguar key fob begins to fail.

The majority of auto parts stores sell replacement batteries for Jaguar key fobs. Before replacing the battery, ensure that it is an original Jaguar part. This will ensure it's the right size and voltage. Handling the battery with care is essential, since oils and skin moisture can be transferred to the edges, reducing battery life and damaging the contacts.

A Jaguar key fob is a remote control that will unlock your car's doors as well as activate the alarm and open the windows and sunroof. It can also double-lock your vehicle, ensuring that it is safe from thieves. The Jaguar key fob is protected by a casing made of metal, making it impossible to break or damage.

Faulty receiver module

The key fob sends out an radio signal at a low frequency which is detected by a receiver module in the Jaguar. G28CarKeys receives the signal from your smart-key, and then activates or disarms your security system. It also lets you start your car and control the audio system. The receiver module can be inoperable if it's defective. Remove the battery of 12 volts by disconnecting both terminals. Give it a few minutes. 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. You can reprogram the key fob to make it work again by following instructions in the owner's manual.

Electronic chip that is malfunctioning

Jaguar key fobs are equipped with electronic transponder chips that are coded. They receive a unique remote control signal, and send it to the car's receiver module. If the receiver module is not functioning properly it will block you from using your key fob to lock and unlock your vehicle. There are several common causes that you can repair yourself.

Verify first that the button on the key fob works. If not, it's a sign that the button or contact is worn out. It is important to replace the battery correctly. Make sure to use a battery with the same dimensions, voltage and specifications as the original. Also, make sure that the new battery has not been exposed to water or salt.

If your Jaguar key fob is broken it is vital 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 from the dealer. If you have the proper tools, you can complete this yourself.