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Smart Car Key Security Features Smart keys communicate with your vehicle every day, whether in your pocket or on your desk. They talk to each other by using radiofrequency signals. If the smart key is within reach, the computer inside your car detects and validates the rolling code projected from the key fob before beginning the engine. This helps deter thieves. Security Many drivers are skeptical about handing over control of their vehicle to a digital key that is stored on a smartphone, with security being one of the primary concerns. The good news is that a smart car key has all of the security features as a traditional fob. Smart keys, for instance, make use of fingerprint recognition to lock and unlock doors. In order to use the feature, the user must apply a finger to the sensor near the door handle or lock button (depending on the configuration of the vehicle). This is similar to how a tablet or smartphone with an embedded fingerprint scanner functions. Another way that smart keys help keep cars safe is by not sending the same frequency signal repeatedly again. If a fob sent the same signal each time it locked a door or remotely opened the trunk, it would permit thieves with a tech-savvy mindset to hotwire vehicles and remove them. Thankfully, this is not an issue as smart keys emit an encrypted signal each when a door is opened or the trunk is remotely opened. Smart keys also stop cars from being stolen by thieves at fueling stations and other parking lots. car smart key replacement emit a low frequency signal that can only be detected by nearby smart keys, and not by people or other objects that are not within the vehicle. The signal is only identified within 10 cm of the smart key. Therefore, it is difficult for someone to steal your car just by picking up a transmission from a fob that is nearby. Convenience Smart keys eliminate the need to search through your pockets for a key or even lock the car using remote. Instead, simply tap your smartphone in the app to unlock or start the engine and drive away! Contrary to traditional key fobs that transmit a low-power signal, smart keys communicate with your car via radiofrequency waves. The key fob is equipped with an encrypted chip that the antenna inside your vehicle detects. If you are within the reach of your vehicle it will open the doors and begin the engine. Some smart keys can also save settings for the seat, mirrors and steering wheel and allow you to change them with just one button. This feature is becoming increasingly popular and a rising number of manufacturers are incorporating it to their automobiles. The industry of automotive smart keys is booming due to the rising demand for safety features. These features decrease wear on the ignition system of a car, and also ensure that only the driver is able to start or stop the engine. Smart keys also alert the driver when the battery is in low and make it more difficult for thieves to steal the vehicle. Some systems will allow you to open your door from a distance if the battery in your smart key goes out. It's best to keep a backup mechanical key in your wallet, or in a safe location. Autonomy Instead of a key fob that has to be kept in the pocket of the driver to open or start a car, smart key systems work when the car door handle or the trunk release button is hit. These systems can also be activated if a sensor detects that a driver is near. The idea is to remove the necessity of pressing a key fob when driving, so that drivers can concentrate on driving safely and securely. The technology is currently available in a few luxury cars and is gaining popularity among automakers of all kinds who are working to meet consumer requirements. This feature is very convenient however it can be dangerous if a driver does not take the key fob out of their pockets prior to entering or leaving the vehicle. Smart key fobs emit low-frequency signaling that could be picked up by other devices that can open doors or even pop the boot. It's a tactic called relay attack, and it's been used by tech-savvy thieves to take cars from drivers at fueling stations, as well as parking areas. However, the majority of smart key systems have an alternative method of opening and re-starting the vehicle in the event that the battery goes out. The driver will usually put the dead key in a slot or hold it close to a special area in the cockpit to start the emergency starter. This typically involves an inductive coil that transfers energy from key to car. Safety The smart key has a built-in security feature which locks the vehicle when you leave. It can even shut down the engine and open the trunk if it is discovered that you have locked the keys inside. This will prevent you from being locked out of your vehicle in an unsafe location or when running errands. Contrary to conventional keys smart key fob connects to the vehicle using radiofrequency signals. While it is important to remember that your vehicle isn't spying on your however, the fact that the key fob transmits these signals allows criminals to intercept these signals and take control of the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal each time they unlock doors or remotely pop out the trunk. This means that a cyber-savvy criminal could be able to gain access to the system to steal your vehicle. Smart car keys, however, put out a different encrypted signal each time they do this. This makes them more difficult to break, and makes them more difficult for tech-savvy thieves to gain access to. Some vehicles allow you to start the car by walking right up to it and pressing a button. These systems, unlike traditional ones that require you to insert and turn the keys to start the car, are powered by key fob batteries. The key fob sends a signal to your car's antenna, telling it that you're close. The car will activate the power doors and begin its engine.