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Vehicle Smart Key Technology The technology of smart keys in vehicles enables drivers to unlock and start their vehicle by simply rubbing the door handle, or putting the keys in the pocket. It also allows for a variety of other adjustments, such as seats positions and internal temperature settings, mirror positioning and stereo presets. This can also lead to security issues. Security Smart keys are key fobs that are computerized which communicate with the vehicle via an embedded antenna to unlock doors and start the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're used, transmit encrypted signals that are only compatible with the vehicle to which they belong. This makes it difficult for hackers with the latest technology to spoof or intercept the signal and use your key to steal your car. Mercedes' Keyless Go system For instance, it has an internal transponder that can identify the key of the driver. When the Smart Key comes within 1.5 meters of a car, it automatically unlocks the tailgate and door, and the engine starts when a button on the key is hit. Some smart keys, like the ones from BMW, also have user-specific settings. These allow users to alter the seat, mirrors, steering wheel position, and audio preferences with the press of a single button. They also come with the backup lock, which will stop the car from starting if the key is not in the ignition. This technology can prevent drivers from accidentally locking their vehicles, particularly when they have to search their purse or backpack to find keys in a parking area full of strangers or in an area with high crime rates. A lot of systems will also notify drivers when keys are low on battery, although this feature varies by manufacturer. Convenience The smart key is ideal for those who are in a hurry to get to their destination. You can unlock, lock and start your car by pressing the door handle or the trunk release. Key fobs can also communicate with your phone to track charging and location as well as other information regarding the vehicle, as explained by Popular Mechanics. You shouldn't lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it is within range. If it's not, the engine won't not start. This will deter thieves from the vehicle and stealing its parts. The smart key also makes use of rolling codes to protect against hacking attempts and cloning, according to BMW. The computer in the vehicle can recognize and verify the code prior to launching the motor. Most systems have a mechanical backup system that is an invisible key blade. How Stuff Works Electronics notes that modern smart keys be able to detect keys in use and adjust vehicle settings according to the situation. For example, if you switch on the car while holding the key fob in the palm of your hand the windows and the sunroof are opened to let the cabin air dry. You can also set up a speed limit that will only be used when the vehicle is powered by the specified key. This feature could be useful if you are lending your vehicle to a person 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 do this, press and hold the lock button while pressing the unlock button. smart car key replacement will stop your smart key fob from being able to transmit or receive radio waves. This will greatly extend the battery's life. You can always restart the function by pressing both the unlock and lock button again. Certain smart keys also have anti-theft functions that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. When the smart key is inserted into ignition, a computer within the car verifies the code in milliseconds, before even starting the engine. BMW also has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for convenience, and lets drivers lock or unlock their cars without ever removing the key from their pockets. Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or if you are thinking of purchasing a car that has a smart-key. Our mobile locksmiths can replace the battery on any smart key and also help to set it up so that your car recognizes it. Special Cases Although smart keys aren't theft-proof, they do help to hinder thieves. Smart keys are designed to keep hackers from hacking into the system. When they are placed in the ignition of the vehicle the computer checks the code in milliseconds. Mercedes-Benz developed this technology, which is now used by luxury car brands. A smart key system will continue to work even if you don't remember the key in your trunk or leave it at the restaurant. Certain systems will notify the driver when the battery is running low. Some brands offer key covers designed specifically for smart keys to protect the fob from damage.