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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 via radiofrequency waves. If the smart key is within range, a computer within your vehicle recognizes the rolling code projected by the fob of the key and validates it prior to getting the engine started. This helps deter thieves. smart car key not working are hesitant about handing control of their vehicle to a virtual key on a smartphone, with security being among the primary concerns. The good news is a smart key can provide many of the same features as a traditional car fob. Smart keys unlock and lock the doors through fingerprint recognition. To use this feature, the user must place their finger on a sensor located near or inside the door knob or lock handle (depending on the configuration of the vehicle). This is similar to the way a tablet or smartphone with the fingerprint scanner inside functions. A smart key can help to protect vehicles by not sending the exact same frequency signal repeatedly. If a key sent an individual signal each time it was unlocked or opened the trunk remotely, this could allow thieves to use hotwires to connect cars and drive them away. Fortunately, this isn't a problem because smart keys emit a distinct encrypted signal each when doors are opened or the trunk is opened remotely. Smart keys can also protect cars from theft at gas stations and other parking spaces. Smart keys emit a low frequency signal that can only be detected by nearby smart keys, not by any other objects that are not within the vehicle. This signal can be detected just within 10 cm of a smart key. Thus, it is impossible to take your vehicle away by picking up the transmission. Convenience Smart keys eliminate the need to rummage through your pockets for keys, or lock the car with a remote. Instead, you can tap your smartphone in the app to unlock the car or start the engine, and then drive away! Smart keys, unlike traditional key fobs that transmit low-power signals, communicate with your car using radiofrequency signals. The key fob has an encrypted chip that the antenna inside your vehicle detects. If you reach the distance of your car it is able to open the doors and/or start the engine. Some smart keys also store settings for the seat, mirrors and steering wheel which allows you to adjust them with just one button. This feature is becoming more popular, and a greater amount of manufacturers are adding this to their vehicles. The market for automotive smart keys is booming due to the rising demand for safety features. These features minimize wear and tear on the ignition system of a car and ensure that the driver is the sole person who can stop or restart the engine. Furthermore, smart keys also notify the driver when the battery is running low, which makes it harder for thieves to take the vehicle. Certain systems allow you to open the door remotely if your smart key battery runs out. It is best to keep a spare mechanical key in your wallet or other safe place. Autonomy Instead of a key fob that has to be carried by the driver to unlock or start a car, some smart key systems work when the door handle or the trunk release button is pressed. These systems can also be activated when a sensor detects a driver's proximity. The idea is to make it unnecessary to press the key fob button while driving, so that drivers can concentrate on driving safely and securely. The technology is available in a few luxury cars and is growing in popularity with automakers that are trying to meet customer demand. While this feature provides convenience however, it can be a risk when the driver fails to take their key fob out of the pocket prior to going into or out of the car. Smart key fobs emit low-frequency signals that can be detected by other devices that can open doors or even pop the boot. This is what's known as a relay, and it's been used by cyber-savvy criminals to steal cars from fuel stations and parking lots. However, many smart key systems offer an alternate method of opening and starting the vehicle in the event that the battery goes out. The driver must usually place the dead key in the slot, or place it near a designated area in the cabin to start the emergency starter. This typically involves an inductive coil that transfers energy from the key to the vehicle. Safety The smart key has a built-in security feature that locks the vehicle once you leave. The smart key will shut down the car and unlock the trunk even when the keys are in the trunk. This will prevent you from being locked out of your vehicle in a dangerous location or when running errands. Smart key fobs communicate with vehicles using radiofrequency signals, in contrast to conventional keys. It is important to remember that your car isn't spying on you. However, because the key fob transmits these signals, it is possible for a criminal to intercept them and control the vehicle. Open Road Auto Group explains that traditional key fobs send out the same frequency signal each time they open the door or remotely open the trunk. This means that a criminal with a technologically advanced mind could infiltrate the system and take your vehicle. Smart car keys, however, put out an encrypted signal every time they are used. This makes them more difficult to hack and harder to be exploited by smart thieves. Certain cars allow you to start the car by walking towards it, and pressing the button. Unlike traditional models that require you to insert and turn the key and then turn it on, these systems are powered by a key fob battery. The key fob transmits a signal to your car's antenna, letting it know that you're in close proximity. The vehicle will then activate the power doors, and begin its engine.