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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. When the smart key is in range, a computer in your vehicle is able to recognize the rolling code projected by the key fob and confirms it prior to beginning the engine. This helps 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 most pressing concerns. The good news is that a smart car key has much of the same security features as traditional fobs. Smart keys, for instance, utilize fingerprint recognition to unlock and lock doors. To access the feature, the user must place their finger on the sensor that is placed near the door handle or the lock button (depending on the vehicle configuration). This is similar to the way smartphones and tablets with the fingerprint scanner inside functions. Another way that smart keys keep cars safe is by not sending the same frequency signal over and over again. If a fob broadcasted a signal each time it opened or locked the trunk remotely, this will allow tech-savvy thieves to wire cars to remove them. Fortunately, this isn't an issue since smart keys emit a distinct encrypted signal each when doors are opened or the trunk is remotely opened. Smart keys can also help to stop cars from being stolen at gas stations or other parking spots. Smart keys send the signal at a low frequency that can only be detected by nearby smart keys, not by other objects or people that are not within the vehicle. The signal can be detected only within 10 cm of a smart key. Therefore, it is impossible to take your vehicle away by picking up an engine. Convenience Using smart keys eliminates the need to dig through your pockets to find a key or to secure your car using a remote control. You can unlock your car or begin it by tapping the app on your phone. Unlike traditional key fobs, which transmit a low-power signal, smart keys communicate with your vehicle through radiofrequency waves. The key fob comes with an encrypted chip which the antenna in your vehicle recognizes. When you are within proximity to your car, it knows to unlock the doors and/or start the engine. Some smart key s can also save settings for the seats or steering wheel, as well as mirrors which allows you to adjust them with just one button. This feature is becoming increasingly popular and a rising number of manufacturers are introducing it to their automobiles. The market for smart keys in the automotive industry is growing rapidly due to the rising demand for safety and security features. These features decrease the wear and tear on a car's ignition system and ensure that the driver is the only person who is able to stop or start the engine. Smart keys also notify the driver when the battery is low making it more difficult for thieves to take the vehicle. Some systems will allow you to open your door at a distance if the smart key battery dies. It is recommended to keep a mechanical backup key in your wallet or other safe place. Autonomy Rather than a key fob that has to be carried in the pocket of the driver to unlock or start a car, some smart key systems function when the door handle or the trunk release button is pressed. These systems also operate when a sensor senses the driver is in close proximity. The idea is to make it unnecessary to press the key fob button while driving, allowing drivers to concentrate on driving safely and secure. The technology is already present in some luxury vehicles and it's growing in popularity with mainstream automakers trying to keep up with consumer demand. Although this feature is convenient however, it can also be dangerous when the driver fails to take their key fob from the pocket before going into or out of the car. Smart key fobs emit low-frequency signals that can be picked by other devices that can open doors or crack the boot. It's a tactic referred to as a relay attack, and it has been used by tech-savvy thieves to steal cars from drivers at fueling stations as well as in parking spaces. The majority of smart key systems have a backup system for starting and opening the vehicle in the case of a dead battery. The driver must usually place the dead key fob in a slot or put it in a designated part of the cockpit to trigger an emergency start system, which typically consists of an inductive coil that transfers energy from the key to the vehicle. Safety The smart key has integrated security features that locks the vehicle when you leave. The smart key can shut down the vehicle and unlock the trunk when the keys are inside. This will prevent you from being locked out of your vehicle in a hazardous location or when running the errands. Contrary to conventional keys smart key fob can communicate with the vehicle via radiofrequency signals. While it is important to keep in mind that your vehicle isn't spying on you, the fact that the key fob sends these signals makes it possible for criminals to intercept these signals and gain control over the vehicle. Open Road Auto Group explains that traditional key fobs send out the same frequency signal every time they unlock the door, or remotely open the trunk. This means a tech-savvy criminal could gain access to the system and steal your vehicle. Smart car keys emit an encrypted message every time they perform a function. This makes them much harder to crack, and more difficult for tech-savvy thieves to make use of. Certain cars also allow you to start your car by simply walking to it and pressing the button. Unlike traditional models that require you to insert and turn the key in order to start, these systems are powered by a key fob battery. The key fob will send a signal to the car's signal to tell it that you are near, and the car will then open its power doors and start the engine.