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Smart Car Key Security Features Smart keys communicate with your car continuously, whether they're in your pocket or on your desk. They communicate using radiofrequency waves. If the smart key is within the range of the computer in your car recognizes and verifies the rolling code projected from the key fob prior to beginning the engine. This helps deter thieves. Security Many drivers aren't keen to give control of their car to a digital fob on smartphones. Security is among the main concerns. The good news is that a smart key comes with many of the same features as a traditional car fob. For starters, smart keys make use of fingerprint recognition to unlock and lock doors. To access the feature, the driver must put their finger on the sensor located in or near the door handle or lock button (depending on the configuration of the vehicle). This is similar to how a smartphone or tablet with an embedded fingerprint scanner works. A smart key can ensure the safety of vehicles by not sending the exact same frequency signal repeatedly. If a key sent an individual signal each time it opened or unlocked a trunk remotely, this could allow thieves to use hotwires to connect cars and take them away. Thankfully, this is not a problem because smart keys emit a different encrypted signal every time the door is opened or the trunk is opened remotely. Smart keys also protect cars from being taken away by thieves at fuel stations and other parking lots. Smart keys emit a low frequency signal that can only be picked up by nearby smart keys, and not by other objects or people outside the vehicle. This signal can be detected just within 10 cm of a smart key. Thus, it is impossible to steal your vehicle just by picking up the transmission. Convenience Smart keys eliminate the need to dig through your pockets to find a key or to lock your car using a remote. Instead, simply tap your smartphone in the app to unlock or start the engine. Then, drive away! Smart keys, unlike traditional key fobs, which transmit an extremely low power signal they communicate with your car through radiofrequency waves. The key fob has an encrypted chip which the antenna in your vehicle detects. When you get within of the car's range it will unlock the doors and/or start the engine. Some smart keys can also store settings for the steering wheel, mirrors, and seat. You can then set them by pressing one button. This feature is becoming increasingly popular, and an increasing number of manufacturers are adding this to their vehicles. The industry of automotive smart keys is booming due to the increasing demand for safety features. These features decrease wear and tear on the ignition system in a car and ensure that the driver is the sole person who can stop or restart the engine. Smart keys also notify the driver if the battery is not fully charged and make it more difficult for snatchers to take the vehicle. Some systems will also allow you to open your door from a distance when the battery of your smart key dies. However, it's best to have a spare mechanical key that you can keep in your wallet or else safe. Autonomy Rather than an actual key fob that needs to be carried by the driver to unlock or start a car, some smart key systems work when the door handle or the trunk release button is pressed. These systems also operate when a sensor senses the driver is within. The goal is to stop the need to use a key fob while driving, so that drivers can concentrate on driving in a safe and secure manner. The technology is already available in a few luxury cars and is growing in popularity with major automakers who are working to meet consumer demand. While this feature is convenient however, it can be a risk If the driver isn't careful to take their key fob from the pocket prior to going into or out of the car. Because smart key fobs emit an low-frequency signal which can be picked up by another device that could open the doors, or even pop the trunk. It's a tactic called relay attack, and it's been employed by thieves who are tech-savvy to steal vehicles from motorists at fueling stations, as well as in parking lots. However, the majority of smart key systems have an alternate method of opening and restarting the vehicle in the event that the battery fails. The driver usually must put the dead key fob in a slot or put it in a designated space in the cockpit, to trigger an emergency start system, which is usually an inductive coil that transmits energy from the key to the car. Safety The smart key comes with an integrated security feature that locks your vehicle after you leave. It can also shut off the engine and unlock the trunk if it is discovered that you have put the keys in. smart keys for cars will prevent you from being locked out of your car an unsafe area or when you are running on errands. In contrast to conventional keys, a smart key fob connects to the vehicle via radiofrequency signals. It is important to remember that your car is not monitoring you. However, since the key fob transmits these signals, it is possible for criminals to intercept these signals and control the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal every time they unlock doors or remotely pop out the trunk. This implies that a hacker could infiltrate the system and steal your vehicle. Smart car keys emit an encrypted code that changes every time they perform some function. This makes them harder to crack, and even more difficult for tech-savvy thieves to make use of. Certain vehicles allow you to start the car by walking up to it and pressing the button. These systems, unlike traditional models that require you insert and turn the keys to start the car, are powered by key fob batteries. The key fob sends an alert to your car's antenna, letting it know that you're near. The car will activate the power doors and start its engine.