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Vehicle Smart Key Technology Smart keys for vehicles allow a driver to unlock and start the car simply by grabbing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments, including seat positions as well as internal temperature settings mirror position and stereo presets. This could also create security issues. Security Smart keys are advanced electronic keys that communicate with a vehicle via one of the antennas in the car to unlock the doors and to start the engine. Smart key fobs, as opposed to conventional keys that emit the same frequency every time they're pressed, send encrypted signals which are only compatible with the particular car 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 steal your car. Mercedes' Keyless Go system For instance, it has an internal transponder which identifies the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the tailgate and door and starts the engine when the key's button is press. Furthermore there are smart keys thatlike those made by BMW have their own user settings that allow the driver to alter the seat, mirrors, the position of the steering wheel as well as audio preferences at the click of one button. They also have an emergency lock that prevents the vehicle from starting without the key in the ignition. This technology assists drivers from accidentally locking their car, especially when fumbling in a purse or backpack for keys in a parking lot packed with strangers or on a busy street with high crime rates. vehicle smart key g28carkeys.co.uk will also inform motorists when the battery for their key is depleted, though this feature may differ from manufacturer to the manufacturer. Convenience The smart key is ideal for those in a rush to get somewhere. By pressing the button on your trunk release or door handle you can lock, unlock and begin your vehicle. The key fob will also communicate with your smartphone to keep track of charging, location and other data about the vehicle, says Popular Mechanics. You can't accidentally lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine if the key is in range. If it's not, the engine will not start. This will deter thieves from taking your vehicle and then selling parts of it. The smart key also uses rolling codes to prevent hacking attempts and cloning, says BMW. A computer in the vehicle reads the code and validates it prior to launching the engine. Many systems also have a backup mechanical system that is a key blade that's hidden to be used for styling purposes. How Stuff Works Electronics notes that modern smart keys can also detect when the key is when it is in use and adjust the vehicle settings according to the situation. For instance, if you switch on the car while holding the key fob in the palm of your hand, the windows and sunroof will open to let the air in the cabin breathe. You can also set a speed limit that will only apply when the vehicle is started with the selected key, a feature that could be useful when loaning your car to an inexperienced 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 it make sure you press and hold the lock button while pressing the unlock button. This will disable your smart key fob from transmitting or receiving any radio signals, which will extend its battery's life by a significant amount. You can always restart the function by pressing both the unlock and lock button again. Some smart keys include anti-theft capabilities that prevent them from being stolen by thieves. Mercedes-Benz smart keys employ rolling codes to prevent access by anyone who is not authorized to use it. The car's computer is able to verify the code within milliseconds following the smart key is inserted. BMW uses a Display Key that has a tiny LCD screen with a color. This lets drivers lock their cars, unlock their doors, and start them without taking the smart key from their pockets. Contact us at Pop-A Lock if you require to replace the battery in your smart key fob or considering purchasing a vehicle with a smart-key. Our mobile locksmiths will change the battery of any smart key and also help to set it so that your car recognizes it. Special Cases Although smart keys aren't secure against theft, they can help to hinder thieves. Smart key fobs are designed to stop hackers from hacking into the system. When they are placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz invented this technology, which is now utilized by luxury car brands. Another helpful feature is that the majority of smart key systems will operate even if a user forgot the key in the trunk, left it at a restaurant or lost it during hiking. Some systems will alert the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart keys to protect the fob from damage.