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Vehicle Smart Key Technology Smart keys in vehicles allow the driver to unlock and start the car simply by pressing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments like seating positions, internal temperature settings, stereo presets, and mirror positioning. This can also cause security issues. Security Smart keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and start the motor. In contrast to conventional keys that emit the same frequency signal every time they are press, smart key fobs transmit encrypted signals that are only compatible with the specific vehicle they belong to. This makes it harder for criminals with a technological edge to intercept or spoof the signal, and use your key to steal your vehicle. Mercedes' Keyless Go system For instance, it has an internal transponder, which can identify the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle it will automatically unlock the door and tailgate and the engine will start when the key's button is pressed. Furthermore, some smart keys -such as those from BMW include individual user settings that let the driver alter the seat, mirrors, the steering wheel's position and audio preferences at the push of one button. They also have an emergency lock that will stop the car from starting without the key in the ignition. This technology assists drivers from accidentally locking their cars, especially when they have to search their purse or backpack to find keys in a parking area packed with people or on an area with high crime rates. Many systems also notify drivers when keys are running low on battery, but this feature differs by manufacturer. Convenience The smart key is ideal for those who are on the move and need to get somewhere. You can lock, unlock and start your car simply by pressing the door handle or trunk release. The key fob will also connect to your phone to track charging, location and other data regarding the vehicle, as explained by Popular Mechanics. You shouldn't lock your keys inside the car. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If smart car key replacement G28 Car Keys 's not, the engine won't start. This is a deterrent to thieves who would take your vehicle and sell its parts. The smart key uses rolling codes to protect against hacking attempts as well as cloning, according BMW. The computer in the vehicle is able to recognize and verify the code prior to launching the motor. The majority of systems have a mechanical backup system in the form of an invisible key blade. How Stuff Works Electronics notes that modern smart keys can be able to detect keys used and adjust the car settings accordingly. For example, if you turn on the car while holding the key fob in the palm of your hand, the windows and sunroof can be opened to let air circulate through the cabin. You can also set up a speed limit that will only be applied when the car is powered by the specified key. This feature can be useful when you lend your vehicle to a driver with no experience. Battery Life If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To activate this feature, hold the lock button down and then press the unlock button. This will make it impossible for your smart key fob's smart device from being able to transmit or receive radio waves. This will significantly extend the battery's life. You can always restart the function by pressing the unlock and lock buttons again. Certain smart keys have anti-theft features to prevent them from being stolen by thieves. Mercedes-Benz smart keys use rolling codes to stop the unauthorized access. When a smart key is put in the ignition, a computer in the car checks the code in milliseconds prior starting the engine. BMW has a similar system with its Display Key, which has an LCD touchscreen on the smart key for convenience and allows drivers to lock and unlock their cars without ever removing it from their pockets. If you're thinking of buying the latest car equipped with a smart key, or if you require the battery of your smart key fob replaced, contact Pop-A-Lock for a quick and simple service. Our mobile locksmiths will replace the battery of any smart key and assist you set it so that your car recognizes it. Special Cases While smart keys aren't safe from theft, they do assist to discourage thieves. Smart key fobs are designed to stop hackers from gaining access to the system. When placed in the ignition of the car, the computer verifies the code in milliseconds. Mercedes-Benz invented this technology, which is currently utilized by luxury car brands. Another great feature is that many smart key systems will continue to work even if a user forgot the key in the trunk or left it at a restaurant or lost it on an excursion. Some systems will alert the driver when the battery is running low. Certain brands also offer key covers specifically designed for smart keys that protect the fob from damage.