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Smart Car Key Security Features A smart key communicates with your vehicle on a constant basis regardless of whether it's inside your pocket or sitting on your desk. They communicate via radiofrequency waves. If the smart key is within distance, the computer in your car detects and validates the rolling code projected from the key fob before beginning the car. This can deter thieves. Security Many drivers are reluctant to hand over control of their vehicle to a virtual fob on smartphones. Security is one of the primary concerns. The good news is that smart car keys have many of the same security features as the traditional fob. Smart keys lock and unlock the doors with fingerprint recognition. To utilize the feature, a person must place their finger on a sensor near or inside the door knob or lock handle (depending on the vehicle's configuration). This is similar to the way a tablet or smartphone with a fingerprint scanner embedded operates. Another way that smart keys help keep cars secure is by not sending the same frequency signal repeatedly again. If a key sent an individual signal each time it opened or unlocked a trunk remotely, it could allow thieves to connect cars to hotwires and remove them. Fortunately, this isn't an issue as smart keys emit a different encrypted signal every when a door is opened or the trunk is opened remotely. Smart keys also protect cars from being stolen by thieves at fueling stations and other parking lots. This is because they transmit a low-frequency signal which can be picked up by a nearby smart key, but not by other people or objects outside of the vehicle. The signal can only be identified within 10 cm of the smart key, which means it is impossible for anyone to steal your car by stealing a transmission from a nearby fob. Convenience Smart keys eliminate the need to rummage through your pockets for keys, or lock the car with remote. You can unlock your car or start it by tapping the app on your smartphone. Smart keys, unlike traditional key fobs, which transmit an extremely low power signal and communicate with your car using radiofrequency signals. The key fob contains an encrypted chip that the antenna inside your vehicle detects. When you are within range of your car it will open the doors and/or start the engine. Some smart keys can also save 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 a growing number of manufacturers are adding it to their vehicles. The market for automotive smart keys is growing due to the increasing demand for safety features. These features minimize the wear and tear of the ignition system in a car and ensure that the driver is the only person who can stop or start the engine. Smart keys alert the driver when the battery is low and make it harder for thieves to take the vehicle. Some systems will also allow you to open your doors at a distance if the smart key battery dies. It is recommended to keep a spare mechanical key in your wallet, or in a secure location. Autonomy Certain smart key systems work without a key fob being placed in the pockets of the driver. Instead, they function by pressing the trunk release or car door handle. These systems can be activated when a sensor detects the driver's proximity. The idea is to make it unnecessary to press the key fob button while driving, allowing drivers to concentrate on driving safely and secure. The technology is available in some luxury vehicles and it's becoming popular among major automakers trying to keep up with the customer demand. While this feature provides convenience however, it can be a risk in the event that the driver does not take their key fob from the pocket prior to leaving or entering the vehicle. Smart key fobs emit low-frequency signaling that can be picked up by other devices that can open doors or even pop the boot. smart car key repair 's a tactic referred to as a relay attack and has been used by tech-savvy thieves to steal cars from drivers at fueling stations and also in parking lots. However, all smart key systems offer an alternative method of opening and restarting the vehicle when the battery is dead. The driver will usually put the dead key fob inside a slot, or hold it near a designated area in the cabin to start the emergency starter. This typically involves an inductive coil which transfers energy from the car to the key. Safety The smart key has a built-in feature of security that locks your vehicle when you leave. The smart key can shut down the vehicle and unlock the trunk the keys remain inside. This will stop you from being locked out of your vehicle in a hazardous location or while you run the errands. Contrary to conventional keys smart key fob communicates with the vehicle via radiofrequency signals. It's important to remember that your car is not tracking you. However, because the key fob broadcasts these signals, it's possible for criminals to intercept these signals and control the vehicle. Open Road Auto Group explains traditional key fobs emit the same frequency signal each time they open a door or remotely pop out the trunk. This means that a hacker could potentially gain access to the system and take your vehicle. Smart car keys emit an encrypted code that is different each time they carry out an action. This makes them more difficult to break and more difficult to exploit by tech-savvy thieves. Some vehicles allow you to start the vehicle by walking up to it, and pressing the button. These systems, in contrast to traditional ones that require you to insert and turn the keys to start the car, are powered by key fob batteries. The key fob sends a signal to the car's antenna to tell it that you are close, and the car can then activate its power doors and start the engine.