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Smart Car Key Security Features

A smart key is in communication with your vehicle at all times, whether it's in your pocket or on your desk. They communicate with radiofrequency waves.

When the smart key is in range, a computer in your car recognizes the rolling code projected by the key fob and validates it prior to getting the engine started. This helps deter thieves.

Security

Many drivers aren't comfortable the transfer of control of their vehicle to a virtual key that is stored on a smartphone, with security being one of the primary concerns. The good news is that a smart key comes with many of the same features that a traditional car fob does.

For starters, smart keys make use of fingerprint recognition to lock and unlock doors. To access the feature, the driver needs to apply a finger to the sensor located in or near the door handle or lock button (depending on the car's configuration). This is similar to how a smartphone or tablet equipped with an embedded fingerprint scanner works.

Smart keys can also ensure the safety of vehicles by not sending the same frequency signal repeatedly. If a fob sent the same signal every time it locked a door or remotely opened the trunk, this could permit thieves with a tech-savvy mindset to hotwire vehicles and drive them away. Smart keys emit a different signal each time a trunk door is opened remotely.

Smart keys can also in preventing theft of cars at gas stations and other parking spots. Smart keys emit an extremely low-frequency signal that can only be picked up by nearby smart keys, not by people or other objects outside the vehicle. The signal is only recognized within 10 cm of the smart key. Therefore, it is not possible for anyone to steal your car by grabbing a transmission from a fob that is nearby.

Convenience

Smart keys eliminate the need to dig through your pockets in search of keys or lock the car with a remote control. You can unlock your car and start it by tapping on the app on your smartphone.

Smart keys, in contrast to traditional keys that transmit low-power signals and communicate with your car via radiofrequency waves. The key fob has an encrypted chip that the antenna in your car recognizes. When you are within reach of your vehicle it will unlock the doors and begin the engine.

Certain smart keys also save settings for the steering wheel, mirrors and the seat. You can set them by pressing a single button. This feature is becoming more popular and a growing number of manufacturers are introducing it to their automobiles.

The automotive smart key market is booming due to increasing demand for security and safety features. These features help reduce wear on the ignition system of a car and ensure that only the owner can start or stop the engine. Smart keys also alert the driver when the battery is low and make it more difficult for thieves to take the car.

Certain systems also allow you to open your doors from a distance in the event that the battery of your smart key dies. It's best to keep a spare mechanical key in your wallet or other safe place.

Autonomy

Instead of a key fob that must be in the driver's pocket to open or start a car, some smart key systems function when the door handle or the trunk release button is hit. These systems also operate when a sensor detects that the driver is in close proximity.

The idea is to eliminate the need to press the key fob while driving, allowing drivers to concentrate on driving safely and secure. The technology is already available in some premium cars, and is becoming popular with major automakers who are trying to meet customer requirements.

This feature is very convenient however, it could be risky if the driver isn't careful to take the key fob out of their pockets prior to leaving or entering the vehicle. That's because smart key replacement key fobs emit an low-frequency signal which can be detected by a device that could open the doors, or even pop the trunk. This is what's known as relay, and it's been used by tech-savvy criminals to steal cars at fuel stations and parking spaces.

However, all replacement smart key key systems include an alternative method of opening and starting the car when the battery is dead. The driver must usually place the dead key in a slot or hold it near a designated area in the cockpit to activate the emergency start system. This usually involves an inductive coil that transfers energy from key to car.

Safety

The smart key for car key comes with an inbuilt security feature that will lock your vehicle when you leave. The smart key will stop the vehicle from being operated and open the trunk the keys remain inside. This prevents you from being locked out of your vehicle smart key in an unsafe location or while you run the errands.

In contrast to conventional keys, a smart key fob communicates with vehicle via radiofrequency signals. While it's vital to keep in mind that your vehicle isn't spying on you, the fact that the key fob sends these signals makes it possible for criminals to intercept these signals and gain control over the vehicle.

Open Road Auto Group explains traditional key fobs emit the same frequency signal every time they unlock doors or remotely pop out of the trunk. This implies that a hacker could be able to infiltrate the system and take your vehicle. Smart car keys, however, put out a different encrypted signal each time they are used. This makes them harder to break, and makes them more difficult for tech-savvy thieves to gain access to.

Certain cars also allow you to start your car by walking up to it and pressing a button. Instead of traditional models that require you to insert and turn the key to start the engine, these systems are powered by a key fob's battery. The key fob transmits an alert to the car's antenna inform it that you are close, and the car can then turn on its power doors and start the engine.