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15 Things You've Never Known About Jaguar Key Fob
How to Replace g28carkeys.co.uk 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" an automobile to stop thieves from breaking into your windows to gain entry.

There are a myriad of reasons why the Jaguar XF keyfob may not function. It could be due to a dead or defective coin battery, signal interference or a malfunctioning electronic chip.

Dead coin battery

Modern electronic keys offer greater convenience and security over traditional keys that are manually operated. They can lock and unlock your vehicle, turn on the lights, and even start the engine. They also have features that make driving easier. However, they could lose their charge over time. If you've noticed that your Jaguar XF's key fob isn't working, it could be due to a dead coin battery. The good news is that replacing it is a simple and easy fix.

Crofton drivers can tell it's time to replace the battery if their key fob ceases to function or is less effective in locking and unlocking from the distance. The Jaguar InControl (r), touchscreen may display a message stating "Smart key battery is low".

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

Water damage

The chip inside the Jaguar XF's key fob may be damaged if it has been exposed to saltwater or survived a soapy bath. This could stop the key fob from working and cause you to require an alternative from your dealer. In this instance you must disassemble the key fob and clean the metal clips as well as the electronic chip using isopropyl alcohol.

If the remote control still isn't working, it could be due to signal interference. It could be due to nearby transmitters operating on the exact frequency as your remote control from XF, or it may be caused by things like trees or buildings. The remote control will continue function even if you move away from the source of interference.


Your Jaguar is built to monitor itself constantly including engine performance and emissions to the brakes and lights. You'll receive a warning if the battery is running low. One of them will be a decrease in the range of your key fob, and another one will be a message that reads "SMART KEY BATTERY LOW." It is recommended to replace the Jaguar XF key fob battery as soon as possible to avoid these issues.

Contacts to the battery are not working properly.

Modern Jaguar key fobs are more sophisticated than mechanical keys of the past, and they come with a host of additional functionality. Like any electronic device, they will wear out over time or cease working altogether. The battery could have to be replaced when the lock button on the Jaguar key fob begins to fail.

You can purchase replacement batteries for your Jaguar key fob in most auto parts stores. Before you replace the battery ensure that it is an original Jaguar part. This will ensure it's the correct size and voltage. It is also important to handle the battery in a controlled manner as touching its outside edges can transfer skin moisture and oil, which can reduce 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 to activate the alarm and open the sunroof as well as windows. It can also double-lock your vehicle to keep it safe from thieves. The Jaguar key fob features an aluminum casing that makes it difficult to break or destroy.

A malfunctioning receiver module

The key fob emits a radio signal at a low frequency that is picked up by a receiver module inside the Jaguar. This module receives the signal from your smart key and then activates the door locks or disarms the security system. This module also allows you to start your vehicle and control the audio system. The receiver module might fail if malfunctioning. To resolve the problem, drain the battery with 12 volts by disconnecting it from both terminals, and then waiting for about a couple of minutes. Then reconnect the battery in reverse order.

Another reason for Jaguar XF key fob not working is interference from surrounding objects or transmitters operating on the same frequency. Interference can also block the Body Control Module (BCM) from recognizing the key signals. You can reprogram the key fob to allow it to work again by following instructions in the owner’s manual.

A malfunctioning electronic chip

Jaguar key fobs are equipped with digital, coded transponder chips. These chips receive a distinct remote control signal and transmit it to the receiver module. If the receiver module is faulty, it will prevent you from using your key fob to lock or unlock your vehicle. There are several common issues that you can fix yourself.

First, verify that the button on your key fob is working correctly. If not, it's possible that the button or contact is worn out. It is essential to replace the batteries properly. Be sure to choose an alternative battery that has the same voltage, size, and specification as the original. Make sure the new battery doesn't come into contact with salt or water.

It is essential to find a reputable locksmith who can fix or replacing your Jaguar key fob. This kind of service may be costly, but it's cheaper than purchasing the replacement key fob from the dealer. You can do this job yourself if you have the appropriate equipment.

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