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Smart Car Key Security Features Smart keys communicate with your vehicle at all times regardless of whether it's inside your pocket or on your desk. They communicate using radiofrequency waves. If the smart key is within the range of the computer inside your vehicle is able to recognize the rolling code projected by the key fob and validates it prior to getting the engine started. This can deter thieves. Security Many drivers aren't comfortable handing over control of their vehicle to a digital key on a smartphone with security being among the most important concerns. The good news is a smart key has many of the same features that a traditional car fob does. For starters, smart keys make use of fingerprint recognition to lock and unlock doors. To make use of this feature, the user must put their finger on a sensor located in or near the door knob or lock handle (depending on the configuration of the vehicle). This is similar to the way smartphones and tablets with the fingerprint scanner inside functions. Smart keys can also help protect cars by not sending the exact frequency signal repeatedly. If a key sent the same signal every time it unlocked the door remotely or opened the trunk, this would allow tech-savvy thieves to hotwire vehicles and make them disappear. Fortunately, this isn't a problem because smart keys emit a different encrypted signal every time doors are opened or the trunk is opened remotely. Smart keys also help prevent the theft of cars by thieves at fuel stations and other parking spaces. Smart keys send a low-frequency signal that can only be picked up by nearby smart keys, not by other objects or people that are not within the vehicle. The signal can only be detected within 10 cm of the smart key, meaning it is impossible for anyone to steal your car by stealing a transmission from a nearby fob. Convenience Using smart keys eliminates the need to search through your pockets to find the key or lock your car using the remote control. You can unlock your car or start it by tapping the app on your smartphone. Smart keys, in contrast to traditional key fobs that emit a low power signal, communicate with your car through radiofrequency signals. The key fob contains an encrypted chip that the antenna in your car can recognize. When you are within distance of your vehicle, it will open the doors or start the engine. Some smart keys also store 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 increasingly popular, and an increasing number of manufacturers are adding this to their vehicles. The industry of automotive smart keys is booming because of the increasing demand for safety features. These features decrease the wear and tear 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 notify the driver when the battery is running low and make it more difficult for thieves to steal the vehicle. Certain systems also allow you to open your door from a distance in the event that the smart key battery dies. It is recommended to keep a backup mechanical key in your wallet or another safe place. Autonomy Certain smart key systems function without a key fob that is in the driver's pockets. Instead, they work by pressing the trunk release button or door handle. They also operate when a sensor detects the driver is within. The goal is to stop pressing a key fob when driving, so that drivers can focus on driving safely and secure. The technology is currently available in certain luxury vehicles, and is getting more popular with major automakers who are trying to meet customer needs. This feature is very convenient however, it could be dangerous if a driver isn't careful to remove the key fob from their pockets prior to entering or leaving the vehicle. That's because smart key fobs emit a low-frequency signal that can be detected by a device that could open the doors or pop the trunk. This is a tactic known as relay attack, and it's been employed by thieves who are tech-savvy to take vehicles from motorists at fuel stations, as well as in parking lots. Most smart key systems do have a backup system to start and open the vehicle in the event of the battery being dead. The driver usually must put the dead key fob into a slot or put it near a special part of the cockpit to trigger an emergency starting system, which typically consists of an inductive coil which transfers energy from the key to the car. Safety The smart key comes with an inbuilt security feature that locks your vehicle whenever you leave. The smart key will close the vehicle and unlock the trunk even when the keys are inside. This will keep you from being locked out of your car in a hazardous location or when running errands. Smart key fobs can communicate with vehicles through radiofrequency signals, unlike conventional keys. It's important to remember that your car is not tracking you. However, since the key fob broadcasts these signals, it's possible for criminals to intercept them and control the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal every time they unlock the door or remotely open out the trunk. smart car key not working means that a criminal with a technologically advanced mind can potentially hack into the system to take your vehicle. Smart car keys generate an encrypted code that is different each time they perform the task. This makes them more difficult to penetrate and more difficult to be exploited by thieves with a technological edge. Some vehicles also allow you to start your car by walking up to it and pressing a button. In contrast to traditional models that require you to insert and turn the key, these systems are powered by a key fob's battery. The key fob will send an indication to the car's signal to inform it that you are close, and the car can then activate its power doors and begin the engine.