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Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to open and start the car simply by pressing the door handle or putting the key in the pocket. It also allows for various other adjustments like seat position the internal temperature setting and mirror positioning.

This can also cause security concerns.

Security

Smart keys are computerized key fobs which communicate with the vehicle via an embedded antenna. This allows them to unlock doors and begin the motor. Contrary to conventional keys, which emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it more difficult for thieves who are tech-savvy to steal or spoof the signal and use the key to take your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the key of the driver. When the Smart Key comes within 1.5 meters of a vehicle it instantly unlocks the tailgate and door, and the engine starts when a button on the key is press.

Certain smart keys, like those from BMW and Mercedes-Benz, also come with user-specific settings that permit drivers to alter the mirrors, seat and steering wheel's location and even the audio settings with the push of a button. They also have an emergency lock that stops the vehicle starting without the key.

This technology prevents drivers from being unable to lock their vehicle and causing damage to their vehicle, particularly when searching bags or purses to find keys in the parking lot of people who are not familiar with the area or where crime is high. Some systems also notify drivers when the key is in danger of being depleted, though this feature is dependent on the manufacturer.

Convenience

The smart key is ideal for those trying to get to their destination. By pressing the button on the trunk release or door handle you can lock, unlock and get into your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging locations, charging, and other vehicle information.

It isn't safe to lock your keys in the car. The key fob connects to an antenna inside the vehicle to determine whether it is within range. If not, the engine will not start. This can deter thieves who could take your vehicle and sell its parts.

BMW reports that the smart car key recoding key uses rolling codes as well to prevent hacking and cloning. The computer inside the vehicle recognizes and verifies the code before starting the motor. A majority of systems also have a mechanical backup that is an unnoticed key blade for styling purposes.

Modern smart keys also recognize which keys are in use and adjust the vehicle settings as needed, according to How Stuff Works Electronics. If you turn on the vehicle while holding the key in your palm, for example the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set a speed limit that will only be used when the car is powered by the chosen key. This feature can be beneficial if you're lending your vehicle to a person with no experience.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto manufacturer-specific feature called Power Saving Mode. To do this make sure you press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob to send or receive any radio waves. This will significantly increase its battery life. You can reactivate this function by pressing the unlock and lock buttons once more.

Certain smart keys come with anti-theft capabilities that prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. The car's computer examines the code in milliseconds after the smart key is inserted. BMW uses a similar method with its Display Key, which has a small LCD color touchscreen on the smart key for convenience, and allows drivers to lock, unlock, and start their cars without ever removing it from their pockets.

If you're considering buying a new car that has a smart car key replacement cost uk key, or need the battery in your smart key changed, contact us at Pop-A Lock to get a quick and easy service. We can replace the battery in any smart key and our mobile locksmiths can help you set it up to make sure your vehicle recognizes it.

Special Cases

Smart keys are not 100 100% secure against theft, but they do assist in preventing thieves. Smart keys are designed to prevent hackers from hacking the system. When they are placed in the ignition of the vehicle the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by a variety of high-end car brands.

A smart key system will work even if it is not possible to remember the key in the trunk or leave it at a restaurant. Certain systems will notify the driver when the battery is low. Some brands offer key covers specifically designed for smart keys. They ensure that the fob is protected from harm.