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Smart Car Key Security Features Smart keys communicate with your car all the time, whether in your pocket or on your desk. They communicate via radiofrequency waves. When the smart key is within the range of the computer inside your car recognizes the rolling code projected by the fob of the key and validates it prior beginning the engine. This helps deter thieves. Security Many drivers are skeptical about handing over control of their vehicle to a virtual key on a smartphone with security being one of the most important concerns. The good news is that the smart car key comes with the same security features as an ordinary fob. Smart keys, for instance, make use of fingerprint recognition to lock and unlock doors. To use the feature, the driver has to put their finger on a sensor located in or near the lock button or door handle (depending on vehicle configuration). This is similar to how a tablet or smartphone with a fingerprint scanner integrated works. smart car key fob programming G28 Car Keys could also help protect cars by not sending the same frequency signal repeatedly. If a fob broadcasted the same signal each time it locked a door, or remotely opened the trunk, this could let thieves who are adept at technology to wire vehicles and make them disappear. Smart keys emit a distinct signal every time a trunk or door is opened remotely. Smart keys also prevent the theft of cars by thieves at fuel stations and other parking areas. This is because they send a low-frequency signal that can be picked up by a nearby smart key, but not by people or objects that are not within the vehicle. The signal is detectable just within 10 cm of a smart key. So, it's impossible to steal your vehicle by simply picking up the transmission. Convenience Smart keys eliminate the need to rummage through your pockets for a key, or lock the vehicle using a remote. Instead, just tap on your phone in the app to unlock or start the engine, and then drive away! Unlike traditional key fobs, that transmit a low-power signal, smart keys connect to your vehicle via radiofrequency waves. The key fob is equipped with an encrypted chip that the antenna inside your car recognizes. When you get within distance of your car, it knows to unlock the doors and/or begin the engine. Some smart keys can also store settings for the seats, mirrors and steering wheel and allow you to change them using just one button. This feature is becoming more well-known, and a rising number of manufacturers are adding this to their vehicles. The market for smart keys in the automotive industry is booming due to increasing demand for security and safety features. These features decrease the wear and tear on the ignition system of a car, and also ensure that only the driver has the ability to start or stop the engine. Smart keys also notify the driver if the battery is low which makes it difficult for thieves to take the car. Some systems let you open the door from a distance if your smart key battery goes out. It is recommended to keep a mechanical backup key in your wallet, or in a safe place. Autonomy Certain smart key systems work without a key fob that is in the pockets of drivers. Instead, they work by pressing the trunk release lever or door handle. They also operate when a sensor detects that the driver is nearby. The idea is to stop the need to use a key fob while driving so that drivers can concentrate on driving safely and in a secure manner. The technology is available in some high-end vehicles, and it's becoming popular among major automakers who are trying to keep up with consumer demand. While this feature is convenient however, it can also be dangerous If the driver isn't careful to take their key fob out of the pocket prior to getting into or out of the vehicle. Smart key fobs emit low-frequency signals that could be picked up by other devices that open doors or crack the boot. It's a tactic called a relay attack, and has been used by thieves with a technological advantage to steal vehicles from motorists at fueling stations as well as in parking areas. However, the majority of smart key systems include an alternative method of opening and re-starting the vehicle in the event that the battery goes out. The driver must usually place the dead key in an opening, or keep it near to a designated space in the cockpit to activate the emergency starting system. This typically involves an inductive coil that transmits energy from the car to the key. Safety The smart key comes with an inbuilt security feature which locks the vehicle when you leave. It can also shut off the engine and open the trunk in case you've left the keys inside. This prevents you from being locked out of your car an area that is not safe or while completing the errands. As opposed to traditional keys, a smart key fob communicates with vehicle using radiofrequency signals. It is important to remember that your car isn't tracking you. However, because the key fob transmits these signals, it is possible for a criminal 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 the door or remotely open out of the trunk. This means that a hacker could be able to penetrate the system and take your vehicle. Smart car keys, however, send out an encrypted signal each time they perform this function. This makes them more difficult break and more difficult to exploit by hackers. Some vehicles also allow you to start your car by simply walking up to it and pressing the button. Instead of traditional models that require you to insert and turn the key and then turn it on, these systems are powered by a key fob's battery. The key fob transmits the car's antenna, telling it that you're in close proximity. The vehicle will then activate the power doors and begin its engine.