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Smart Car Key Security Features Smart keys communicate with your vehicle all the time, whether in your pocket or on your desk. They communicate with each other using radiofrequency waves. If the smart key is in the range of the 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 are hesitant to give control of their car to a virtual fob that is on a smartphone. Security is among the primary concerns. The good news is that a smart car key can be used with much of the same security features as an ordinary fob. Smart keys can lock and unlock the doors through fingerprint recognition. To use the feature, the user must apply a finger to the sensor that is placed near the door handle or the lock button (depending on the configuration of the vehicle). This is similar to how a phone or tablet equipped with an embedded fingerprint scanner operates. Another way that a smart key keeps vehicles safe is by not sending the same frequency signal repeatedly again. If a fob transmitted the same signal every time it unlocked doors or remotely opened the trunk, this would allow thieves who are tech-savvy to connect vehicles to hot wires and make them disappear. Thankfully, this is not a problem because smart keys emit an encrypted signal each time doors are opened or the trunk is opened remotely. Smart keys also prevent cars from being stolen by thieves at fueling stations and other parking areas. Smart keys emit a low frequency signal that can only be picked up by nearby smart keys, and not by people or other objects that are not within the vehicle. The signal can be detected within 10 cm of the smart key, which means it is not possible for someone to steal your car by stealing a transmission from a fob that is nearby. Convenience Smart keys eliminate the need to fumble through your pockets to find keys or secure your car using remote controls. Instead, tap your phone's app to unlock or start the engine. Then, drive away! Unlike traditional key fobs, which transmit a low-power signal, smart keys connect to your car via radiofrequency waves. The key fob contains an encrypted chip that the antenna inside your car recognizes. If you are within the distance of your vehicle, it will unlock the doors and start the engine. Some smart keys can also store settings for the seat mirrors, the steering wheel and seat that allow you to alter them with just one button. This feature is becoming more popular and a rising number of companies are adding it to their vehicles. The automotive smart key market is growing rapidly due to the rising demand for security and safety features. These features decrease the wear and tear on the ignition system of a vehicle and ensure that only the owner can start or stop the engine. Smart keys can also alert the driver when the battery is in low which makes it difficult for thieves to steal the vehicle. Certain systems let you open the door from a distance if your smart key battery runs out. But, it's better to have a backup mechanical key that is hidden in your wallet or somewhere other safe. Autonomy Instead of a key fob that must be kept in the pocket of the driver to unlock or start a car, some smart key systems operate when the car door handle or trunk release button is pressed. They also operate when a sensor detects the driver is within. The idea is to eliminate the need to press the key fob button while driving, so drivers can concentrate on driving safely and secure. The technology is present in a few luxury cars and is becoming popular with automakers that are trying to meet customer requirements. While this feature is convenient however, it can be a risk in the event that the driver does not take their key fob out of the pocket before going into or out of the car. This is because smart key fobs emit a low-frequency signal that can be detected by a different device that could open the doors or even the trunk. It's a tactic referred to as a relay attack and it has been used by tech-savvy thieves to steal vehicles from motorists at fueling stations, as well as in parking garages. smart forfour key replacement of smart key systems have a backup system to open and start the vehicle in the event of a dead battery. The driver must usually place the dead key in an opening or keep it near a designated part of the cockpit to trigger an emergency start system, which is usually an inductive coil which transfers energy from the key to the car. Safety The smart key has an integrated security feature that locks your vehicle whenever you leave. It will even shut down the engine and open the trunk in case you've put the keys in. This will prevent you from being locked out of your car in a hazardous location or while running the errands. In contrast to conventional keys, a smart key fob communicates with vehicle using radiofrequency signals. It is important to remember that your car isn't spying on you. However, because the key fob emits these signals, it is possible for criminals to intercept them and take control of the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal each time they unlock a door or remotely pop out of the trunk. This implies that a hacker can potentially gain access to the system to take your vehicle. Smart car keys, however, send out a different encrypted signal each time they use this function. This makes them difficult to break and more difficult to be exploited by thieves with a technological edge. Certain vehicles also allow you to start your car by simply walking to it and pressing a button. These systems, unlike traditional models that require you to insert and turn the keys, are powered by key fob batteries. The key fob will send an indication to the car's radio to inform it that you are close, and the vehicle can then turn on its power doors and begin the engine.