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Vehicle Smart Key Technology Smart keys for vehicles allow a driver to unlock and start the car simply by pressing the door handle or putting the key in the pocket. It also allows for many other adjustments like seat position as well as internal temperature settings and mirror positioning. This could also raise security worries. Security Smart keys are key fobs that are computerized that communicate with vehicles through an embedded antenna. It can unlock doors and activate the motor. Smart key fobs, unlike traditional keys, which emit the same frequency every time they're pressed, transmit encrypted signals that are only compatible with the vehicle to which they belong. This makes it harder for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car. For example, Mercedes' system — called Keyless Go — has an internal transponder that can identify the driver's key. When the Smart Key comes within 1.5 meters of a car it will automatically unlock the tailgate and door and starts the engine when a button on the key is activated. Certain smart keys, like those from BMW additionally have user-specific settings. These allow the driver to alter the seat, mirrors and steering wheel's position and audio preferences with the push of a button. smart roadster key programming www.g28carkeys.co.uk come with the backup lock, which prevents the vehicle from starting without the key in the ignition. This technology can prevent drivers from accidentally locking their cars, especially when searching through a purse or backpack for keys in a parking area full of strangers or in an area with high rates of crime. Some systems will also notify drivers if the key battery is low, though this feature may differ from manufacturer to manufacturer. Convenience If you're in a hurry to get somewhere, the smart key makes entering your vehicle as easy as it can be. You can unlock, lock and start your car simply by pressing a button on the door handle or trunk release. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other vehicle information. The main benefit is that you can't accidentally get locked out. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If it's not, the engine will not start. This will deter thieves from stealing your vehicle and selling parts of it. BMW reports that the smart key uses rolling codes, as well as to stop cloning and hacking. The computer inside the vehicle is able to recognize the code and validates it prior to starting the engine. Most systems have a mechanical back-up in the form a hidden key blade. Modern smart keys also know which keys are in use and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. For instance, if you switch on the car while holding the key fob in your hand the windows and sunroof open to let air circulate through the cabin. You can also set the speed limit to only be in effect when the car is started using the chosen key, which could be helpful when lending your car to a novice driver. 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 make sure you press and hold the lock button while pressing the unlock button. This will prevent your smart key fob from transmitting or receiving radio signals that could extend its battery's lifespan significantly. You can always activate the function by pressing both the lock and unlock buttons again. Certain smart keys also come with anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart keys utilize rolling codes to stop unauthorized access. The car's computer is able to verify the code within milliseconds following the smart key is placed. BMW makes use of a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their vehicles, unlock them, and even start them without having to remove the smart key from their pockets. Call Pop-A-Lock if you need to replace the battery on your smart key fob should you be thinking of buying a car with a smart-key. Our mobile locksmiths will change the battery of any smart key and assist to set it up so that your car recognizes it. Special Cases Smart keys aren't 100 100% secure against theft, but they do aid in deterring thieves. Smart keys are designed to keep hackers from hacking the system. When they are inserted into the ignition of the vehicle the computer validates the code in milliseconds. Mercedes-Benz invented this technology, which is currently used by luxury car brands. Another benefit is that many smart key systems will continue to work even if a user forgot the key in the trunk or left it in a restaurant or lost it during the trail. Some systems will alert the driver when the battery is running low. Certain brands have key covers specifically designed for smart keys to guard the fob from damage.