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Smart Car Key Security Features
Smart keys communicate with your vehicle continuously, whether they're in your pocket or on your desk. They communicate using radiofrequency waves.
When the smart key is in reach, the computer inside your car recognizes and verifies the rolling code projected from the fob of your key before beginning the car. This helps deter thieves.
Security
Many drivers aren't keen to hand over control of their car to a virtual fob that is on smartphones. Security is one of the most important concerns. The good news is that a smart car key can be used with much of the same security features as the traditional fob.
Smart keys, for instance, utilize fingerprint recognition to lock and unlock doors. In order to use the feature, the user must put their finger on a sensor placed in or near the door handle or the lock button (depending on the configuration of the vehicle). This is similar to how a smartphone or tablet equipped with an embedded fingerprint scanner function.
Another way that smart keys keep cars secure is by not sending the same frequency signal repeatedly again. If a fob transmitted the same signal every time it locked a door or remotely opened the trunk, it could allow thieves who are tech-savvy to use hotwires to remove them. Thankfully, this is not an issue since smart keys emit a distinct encrypted signal each when the door is opened or the trunk is opened remotely.

Smart keys also stop the theft of cars by thieves at fueling stations and other parking areas. Smart keys emit an extremely low-frequency signal that can only be detected by nearby smart keys, not by objects or individuals outside the vehicle. The signal is only identified within 10 cm of the smart key, meaning it is impossible for anyone to steal your car by picking up a signal from a fob that is nearby.
Convenience
Smart keys will no longer require you to rummage through your pockets for a key, or lock the car using remote. You can unlock your car and begin it by tapping the app on your smartphone.
As opposed to traditional key fobs that transmit a low-power signal, smart keys communicate with your car via radiofrequency waves. The key fob contains an encrypted chip which the antenna inside your vehicle recognizes. When you are within range of your vehicle, it will open the doors and start the engine.
Some smart keys can also store settings for the steering wheel, mirrors and seat. You can then alter them by pressing one button. This feature is becoming increasingly popular and a growing number of manufacturers are introducing it to their automobiles.
The automotive smart key industry is growing rapidly due to the rising demand for safety features. These features decrease the wear and tear on the ignition system of a car and guarantee that only the driver is able to start or stop the engine. Smart keys can also alert the driver if the battery is running low, making it harder for thieves to steal the vehicle.
Certain systems let you open the door from a distance if your smart key battery goes out. It's best to keep a backup mechanical key in your wallet or other safe location.
Autonomy
Some smart key systems operate without a key fob that is in the pockets of drivers. Instead, they function by pressing the trunk release or door handle. They also operate when a sensor detects the driver is within.
The idea is to avoid pressing a key fob while driving so that drivers can concentrate on driving in a safe and secure manner. The technology is available in a few luxury cars and is gaining popularity with automakers that are trying to meet customer requirements.
While this feature provides convenience however, it can be a risk when the driver fails to take their key fob from the pocket prior to entering or exiting the vehicle. Smart key fobs emit low-frequency signals that can be picked by other devices that unlock doors or open the boot. It's a tactic referred to as a relay attack, and it has been used by tech-savvy thieves to steal cars from drivers at fueling stations as well as in parking areas.
However, all smart key systems include an alternate 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 a slot or hold it near a designated space in the cockpit, to trigger an emergency starting system, which is usually an inductive coil that transfers energy from the key to the vehicle.
Safety
The smart key has a built-in security feature which locks the vehicle when you leave. The smart key can shut down the car and open the trunk when keys are in the trunk. This helps you avoid being locked out of your car an area where it is unsafe or while completing on errands.
smart key repair G28CarKeys to conventional keys smart key fob communicates with the vehicle using radiofrequency signals. It's important to keep in mind that your car isn't tracking you. However, since the key fob sends out these signals, it is possible for a criminal to intercept these signals 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 implies that a hacker can potentially hack into the system to steal your vehicle. Smart car keys, however, put out an encrypted signal that is different each time they are used. This makes them harder to crack, and more difficult for tech-savvy thieves to make use of.
Certain cars allow you to start the car by walking right up to it and pressing the button. These systems, in contrast to traditional models that require you insert and turn the keys to start the car, are powered by key fob batteries. The key fob sends the car's antenna, letting it know that you're close. The car will activate the power doors, and start its engine.