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Vehicle Smart Key Technology The smart key technology in automobiles allows drivers to open and start their vehicle by simply rubbing the door handle or by putting the key into the pocket. It also allows a variety of other adjustments, such as the position of seats and internal temperature settings, stereo presets and mirror positions. This can also lead to security issues. Security Smart keys are highly sophisticated key fobs that are computerized and communicate with a vehicle via one of the antennas built into the car to unlock the doors and start the engine. Smart keys, unlike traditional keys that emit the same frequency each time they're pressed, transmit encrypted signals which are only compatible with the specific car to which they belong to. This makes it difficult for tech-savvy criminals to detect or spoof the signal and use your key to steal your vehicle. Mercedes' Keyless Go system for instance, 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 tailgate and door and starts the engine when the key's button is press. Certain smart keys, like those from BMW, also have user-specific settings, which allow the driver to adjust the seat, mirrors, steering wheel position, and audio preferences with the touch of a single button. They also have a backup lock that prevents the vehicle from running without the key. This technology prevents drivers from accidentally locking their vehicles particularly when they are searching bags or purses to find keys in an open parking lot with strangers or on a busy street where crime is high. A lot of systems will alert motorists when the battery for their key is low, but this feature varies from manufacturer manufacturer. Convenience The smart key is ideal for those in a hurry to get to their destination. By pressing the button on the trunk release lever or door handle, you can unlock, lock and open your vehicle. Key fobs can also interact with your phone to track charging and location as well as other information about the vehicle, explains Popular Mechanics. It isn't safe to lock your keys inside the car. The key fob communicates with the antenna inside the vehicle to determine if it's within range. If it's not, the engine will not start. This will stop thieves from stealing your vehicle and selling its parts. The smart key also makes use of rolling codes to deter hacking attempts and cloning, reports BMW. The computer inside the vehicle is able to recognize and verify the code prior to launching the motor. Most systems have a mechanical backup in the form of a hidden key blade. How Stuff Works Electronics notes that modern smart keys also detect when the key is in use and adjust vehicle settings according to the situation. For smart car key replacement , if you turn on the car while holding the key fob in your palm, the windows and sunroof can be opened to let the cabin air dry. You can also set up an automatic speed limit that will only be used when the vehicle is powered by the chosen key. This feature could be useful if you are lending your car 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 make sure you press and hold the lock button while pressing the unlock button. This will stop your smart key fob to send or receive any radio waves. This will significantly increase the battery's life. You can always reactivate the function by pressing the unlock and lock button again. Certain smart keys come with anti-theft features that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. When the smart key is inserted in the ignition, a computer inside the car verifies the code in milliseconds prior to starting the engine. BMW uses a Display Key with a small LCD screen with a color. This lets drivers lock their cars, open them, and start the engine without having to take the smart key from their pocket. If you're thinking of buying a new car that has a smart key, or need the battery in your smart key fob replaced, call us at Pop-Alock for a quick and efficient service. We can replace the battery on any smart key, and our mobile locksmiths are able to assist you in setting it up to make sure your vehicle recognizes it. Special Cases Smart keys are not 100 100% safe from theft, but they can help deter thieves. Smart keys are designed to deter hackers from gaining access to the system. When they are inserted into the ignition of the car, the computer verifies the code in milliseconds. Mercedes-Benz created this technology, which is now used by luxury car brands. Another useful feature is that most smart key systems will continue to work even if a user forgot the key in the trunk, left it at a restaurant or lost it on a hike. Certain systems will notify the driver when the battery is depleted. Certain brands provide key covers specifically made for smart keys that ensure that the fob is protected from harm.