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Smart Car Key Security Features Smart keys communicate with your car constantly, whether they are in your pocket or on your desk. They talk to each other by using radiofrequency signals. When the smart key is in range, a computer inside your vehicle recognizes the rolling code projected by the key fob and verifies it before getting the engine started. This helps to deter thieves. Security Many drivers aren't comfortable handing over control of their vehicle to a digital key that is stored on a smartphone, with security being among the primary concerns. The good news is a smart key has many of the same features as a traditional car fob. Smart keys unlock and lock the doors by using fingerprint recognition. To access the feature, the driver has to place a finger on the sensor located in or near the door handle or lock button (depending on the vehicle configuration). This is similar to how smartphones and tablets with a fingerprint scanner integrated operates. Smart keys can also ensure the safety of vehicles by not sending the exact frequency signal repeatedly. If a fob broadcasted the same signal each time it unlocked the door remotely or opened the trunk, this would permit thieves with a tech-savvy mindset to wire vehicles and take them away. Smart keys emit a different signal every time a trunk or door is opened remotely. Smart keys can also help to stop cars from being stolen at gas stations or other parking spots. They transmit the signal at a low frequency that can be detected by a nearby smart key, but not by people or objects outside of the vehicle. The signal is detectable only within 10 cm of a smart key. Thus, it is impossible to steal your vehicle just by taking the transmission. Convenience Smart keys will no longer require you to search through your pockets for a key, or lock the car using remote. You can unlock your car or start it by tapping on the app on your phone. In contrast to traditional key fobs that transmit a low-power signal, smart keys connect to your vehicle through radiofrequency waves. The key fob contains an encrypted chip which the antenna inside your vehicle recognizes. If you're within distance of your vehicle, it will open the doors and start the engine. Some smart keys can also save settings for the seats or steering wheel, as well as mirrors and allow you to change them with just one button. This feature is becoming more popular and a rising number of manufacturers are introducing it to their automobiles. The automotive smart key industry is growing rapidly due to the rising demand for safety features. These features reduce the wear and tear of the ignition system of a car and ensure that the driver is the only person who can stop or start the engine. Additionally, smart keys can also notify the driver if the battery is depleted and make it less difficult for thieves to take the vehicle. Certain systems also allow you to open your door from a distance when the battery in your smart key goes out. It is best to keep a spare mechanical key in your wallet or another safe place. Autonomy Rather than a key fob that must be carried in the pocket of the driver to unlock or start a car, some smart key systems function when the car door handle or the trunk release button is hit. They also operate when a sensor detects the driver is within. The idea is to remove the necessity of pressing a key fob button while driving, allowing drivers to concentrate on driving safely and secure. The technology is already available in some high-end vehicles, and it's gaining popularity among mainstream automakers that are trying to keep up with consumer demand. This feature is helpful however, it could be risky if a driver isn't careful to take the key fob out of their pocket prior to entering or leaving the vehicle. Smart key fobs emit low-frequency signaling that can be picked by other devices that open doors or even pop the boot. This is a technique called relay, and it's been used by tech-savvy criminals to steal cars from fueling stations as well as parking spaces. Most smart key systems do have a backup system for opening and starting the vehicle in the case of a dead battery. The driver usually must put the dead key fob in a slot or hold it in a designated space in the cockpit, to trigger an emergency starting system, which typically involves an inductive coil that transfers energy from the key to the car. Safety The smart key has an inbuilt security feature which locks the vehicle when you leave. G28 will shut down the vehicle and open the trunk the keys remain in the trunk. This will stop you from being locked out of your car in an unsafe location or when you are running an errand. Unlike conventional keys, a smart key fob can communicate with the vehicle via radiofrequency signals. While it's important to keep in mind that your vehicle isn't spying however, the fact that the key fob transmits these signals makes it possible for criminals to steal them and gain control of the vehicle. Open Road Auto Group explains that traditional key fobs transmit the same frequency signal every time they open the door or remotely open the trunk. This means a tech-savvy criminal could penetrate the system and steal your vehicle. Smart car keys, however, send out a different encrypted signal each time they perform this function. This makes them much harder to crack, and even more difficult for thieves who know how to exploit. Some vehicles allow you to start the car by walking towards it, pressing a button. These systems, in contrast to traditional ones that require you to insert and turn the keys, are powered by key fob batteries. The key fob sends an alert to your car's antenna, telling it that you're in close proximity. The car will open the power doors and start its engine.