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How to Replace a Jaguar XF Replacement Key Fob Keyfobs with the latest technology cannot be replaced easily. Unlike older metal keys that can be duplicated at any hardware store for less than $5, modern key fobs can't be easily replaced. The battery will need to be replaced if the key's range decreases and the Jaguar vehicle’s message center displays the message “SMART KEY” BATTERY IS LOW. Keyless Entry Keyless entry systems are becoming more and more popular with car buyers, thanks to their convenience and security features. Certain models lock or unlock the door when you touch it, which is much easier than searching for keys in your pockets. These locks are more secure than standard locks, as they use rolling codes that change each time you use your key fob. This makes it harder for thieves to smuggle or alter the signal. Key fobs emit a radio frequency with an unique digital identity code that only the vehicle is able to recognize. When you hit one of the buttons on a Jaguar key fob, it relays this code to the car computer, which in turn responds by opening the doors and starting the engine. The key fob also transmits a signal to a receiver inside the trunk that can be used to open the tailgate without hands. However, criminals have discovered ways to get around these systems. They've managed to use software that decodes the signals sent by key fobs or even remotely reprograms a new key to the car's security code. This is why many experts recommend putting a shielded protection case to your key fob. These cases limit the distance frequencies generated by the fob could travel, and they are readily available at many auto parts stores for under $10. Remote Start Your Jaguar XE keyfob can be used to remotely lock, unlock and start your vehicle. Press and hold the lock button while keeping the key fob within reach of your vehicle. After the door handles have been locked, press the start button to start the engine. If the key fob is not able to be found, the car will display the message “SMART KEY Battery Low”. All new Jaguar models are equipped with remote-starting capability. With this feature, you can turn on the engine of your vehicle from the convenience of your phone. This is especially useful when you're returning home after a long drive or when it's cold outside to turn on the heating. You can save money on fuel while reducing pollution and protecting the environment when you're driving. As opposed to the old metal keys you can purchase at a hardware store The new smart keys come with an embedded security chip within. This security feature will prevent your car from being taken by anyone else who stumbles upon and attempts to use it. This technology makes it hard for locksmiths and car thieves to duplicate these keys. You'll need to visit your dealer to obtain a the replacement Jaguar XF key. Modern car owners are opting for smarter keys that enable the control of their vehicle via an app. These new technologies make vehicles more secure, convenient and efficient than ever. This added functionality comes with costs. The most recent key fobs can only be purchased from dealerships and require programming to function inside your vehicle. Anti-Theft System The anti-theft system is designed to deter criminals from stealing Jaguars. It utilizes a unique technology known as Ultra Wideband (UWB) to detect the key fob signal and confirm that it is genuine. This blocks relay attacks that could interfere with the signal to unlock or start the car even when the key isn't in the ignition. The system also comes with Guardian Mode, which reports when the vehicle is locked or started abruptly. Jaguar recommends activating this feature during the handover process. In addition, the Jaguar XF features an immobilizer that checks to see if the key fob is being used to start the engine. The immobilizer shuts off the fuel pump, ignition coil, and injectors when the key isn't used. This prevents your car from being able to start. In contrast to older cars and models, modern Jaguars have sophisticated security systems that require special tools and equipment in order to service. This includes diagnostic tools such a scanner that can detect the anti-theft control module's diagnostic trouble codes and check the data in real-time as well as freeze frame. The technician also needs to physically test the voltages of analog throughout the system. jaguar keys thekeylab.co.uk can be done by connecting a multimeter with the anti-theft control module or using the factory software. This is the simplest method to identify an anti-theft system. If the technician discovers any issue, they could require replacing the module. Bluetooth Bluetooth has been in use for more than a decade and has revolutionized wireless communications. The technology is everywhere, from lighting bulbs to cars and even smartphones. Both devices must be turned on, and close enough to each other for communication to take place. You may have to access your device's settings depending on the model. A iOS or Android phone has a Bluetooth menu, whereas desktop computers usually have one located in the Control Panel. The initial Bluetooth connection will have to be paired and the two devices exchanging their unique addresses which are presented as numbers in hexadecimal format. As opposed to other RF technologies, Bluetooth is secure, with encryption and authentication to secure data transmissions. Bluetooth operates on the unlicensed ISM band and comes with a standard set of rules and specifications that distinguishes it other protocols such as ZigBee or WiFi. InControl allows you to connect an compatible smartphone to most Jaguar XF models. The steps to pair your phone to the car will vary based on the manufacturer, so make sure to refer to the InControl manual for the exact instructions. You may be required to enter a passkey which is displayed on the screen of your vehicle, to complete the connection.