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Smart Car Key Security Features A smart key is in communication with your vehicle all the time regardless of whether it's in your pocket or sitting on your desk. They communicate using radiofrequency waves. If the smart key is within range, a computer inside your vehicle detects the rolling code projected by the fob of the key and validates it prior getting the engine started. This helps to deter thieves. Security Many drivers are hesitant about handing control of their vehicle to a virtual key on a smartphone, with security being one of the main concerns. The good news is that a smart key has many of the same features that a traditional car fob does. Smart keys lock and unlock the doors by using fingerprint recognition. To use the feature, a person must place their finger on the sensor close to the door knob or lock handle (depending on vehicle configuration). This is similar to how a phone or tablet equipped with an embedded fingerprint scanner functions. A smart key can make cars safer by not sending the exact frequency signal repeatedly. If a fob sent a signal each time it unlocked or opened an trunk remotely, this allows thieves with a technological advantage to connect cars to hotwires and remove them. Smart keys emit a different signal each time a trunk door is opened remotely. Smart keys also stop vehicles from being taken by thieves at fuel stations and other parking spaces. This is because they transmit a low-frequency signal which can be detected by an adjacent smart key however, not by any other person or objects outside of the vehicle. The signal is only detected within 10 cm of the smart key, which means it is virtually impossible for someone to steal your car by grabbing a transmission from a nearby fob. Convenience Smart keys eliminate the need to fumble through your pockets to find the key or lock the car using the remote control. Instead, simply tap your phone in the app to unlock or start the engine, and then drive away! Smart keys, unlike traditional key fobs that transmit the signal with low power, communicate with your car via radiofrequency waves. The key fob has an encrypted chip which the antenna inside your vehicle recognizes. If you reach the distance of your car it is able to open the doors and/or begin the engine. Some smart keys can also store settings for the steering wheel, mirrors and seats. You can then alter them by pressing one button. This feature is becoming increasingly popular, and a greater number of manufacturers are incorporating this feature to their vehicles. The automotive smart key market is growing rapidly due to the rising demand for security and safety features. These features help reduce the wear and tear on the ignition system of a car, and also ensure that only the driver can start or stop the engine. Additionally, smart keys can also notify the driver when the battery is not fully charged, which makes it harder for thieves to steal the vehicle. Some systems will allow you to open your door from a distance if the smart key battery dies. However, it's best to have a spare mechanical key hidden in your wallet or else safe. Autonomy Instead of the key fob which must be kept in the pocket of the driver to open or start a car, smart key systems work when the door handle or trunk release button is pressed. These systems can also be activated when a sensor detects the driver's proximity. The idea is to eliminate pressing a key fob when driving, allowing drivers to focus on driving safely and in a secure manner. The technology is already available in a few premium cars and is growing in popularity with major automakers who are working to meet consumer needs. Although this feature is convenient but it could be risky in the event that the driver does not take their key fob from the pocket before getting into or out of the vehicle. Smart key fobs emit low-frequency signaling that could be picked up by other devices that can open doors or pop the boot. This is a tactic known as relay attack, and it has been used by thieves who are tech-savvy to take cars from drivers at fueling stations, and even in parking garages. However, all smart key systems have a backup method for opening and starting the vehicle if the battery dies. The driver is required to put the dead key fob into a slot or put it near a designated area of the cockpit to trigger an emergency starting system, which is usually an inductive coil which transfers energy from the key to the car. Safety The smart key has an inbuilt security feature that locks your vehicle when you leave. The smart key will shut down the car and unlock the trunk even if the keys are still in the trunk. This will prevent you from being locked out of your vehicle in a dangerous location or when you are running an errand. Smart key fobs communicate with vehicles via radiofrequency signals, unlike traditional keys. While smart car key to keep in mind that your vehicle isn't spying on you, the fact that the key fob transmits these signals makes it possible for criminals to steal them and take control of the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal every time they unlock a door or remotely pop out the trunk. This means that a criminal with a technological edge could possibly penetrate the system and steal your vehicle. Smart car keys emit a different encrypted code every time they complete some function. This makes them harder to crack, and more difficult for thieves with a technological edge to make use of. Certain vehicles allow you to start your car by walking up to it and pressing the button. Instead of traditional models that require you to insert and turn the key in order to start, these systems are powered by a key fob's battery. The key fob sends an indication to the car's antenna inform it that you are close, and the car can then activate its power doors and begin the engine.