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15 Startling Facts About Smart Car Key Programming You've Never Heard Of
Vehicle Smart Key Technology


Smart keys for vehicles allow a driver to unlock and start the car by touching the door handle or placing the key in the pocket. It also allows a variety of other adjustments, like seating positions as well as internal temperature settings mirror position and stereo presets.

This can also lead to security issues.

Security

Smart keys are computerized key fobs that communicate with vehicles via an embedded antenna. This allows them to unlock doors and activate the motor. Smart keys, unlike traditional keys, which emit the same frequency every time they're pressed, transmit encrypted signals which are only compatible with the specific car to which they belong. smart key replacement www.g28carkeys.co.uk makes it much more difficult for thieves with advanced technology to intercept or fake the signal, and use your key to steal your vehicle.

Mercedes' Keyless Go system, for example, has an internal transponder which identifies the driver's key. When the Smart Key comes within 1.5 meters of a car it instantly unlocks the door and tailgate and the engine will start when a button on the key is pressed.

Certain smart keys, like those from BMW, also have user-specific settings that allow the driver to alter the mirrors, seat, steering wheel position, and even audio preferences with the press of a single button. They also have a backup lock that prevents the vehicle from starting without the key.

This technology can prevent drivers from locking their vehicles, particularly when searching through a purse or backpack to find keys in a parking area filled with strangers or on a busy street with high rates of crime. Many systems will also inform drivers when the battery in their keys is depleted, though this feature varies by manufacturer.

Convenience

The smart key is perfect for those in a hurry to get to their destination. You can unlock, lock and start your car by pressing a button on the door handle or the trunk release. The key fob will also interact with your phone to track charging, location and other data about the vehicle, explains Popular Mechanics.

It isn't safe to lock your keys inside the car. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If it's not, the engine won't not start. This can deter thieves who would steal your vehicle to sell the parts.

The smart key also makes use of rolling codes to ward off hacking attempts as well as cloning, according BMW. The computer inside the vehicle recognizes and verifies the code prior the start of the motor. Most systems have a physical backup system that is an invisible key blade.

Modern smart keys can also tell the key that is being used and adjust the car settings accordingly, notes How Stuff Works Electronics. For instance, if start the car while holding the key fob in your hand, the windows and the sunroof are opened to ventilate the cabin. You can also set a speed limit that will only be in effect when the car is started with the selected key, a feature that could be helpful when lending your vehicle to a novice driver.

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 activate it, hold the lock button until you release it and press 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 stolen by thieves. Mercedes-Benz smart keys employ rolling codes to block access by anyone who is not authorized to use it. The car's computer will check the code every millisecond after the smart key is placed. BMW makes use of a Display Key that has a small LCD color screen. This allows drivers to lock their vehicles, unlock them, and then start the engine without having to take the smart key from their pocket.

Contact Pop-A-Lock if your need to replace the battery on your smart key fob if you are thinking of purchasing a car that has a smart-key. We can replace the battery in any smart key, and our mobile locksmiths will help you set it up to make sure your vehicle recognizes it.

Special Cases

While smart keys are not security-wise, they can be used to hinder thieves. Smart key fobs are designed to stop hackers from hacking the system. When they are inserted into the ignition of the car the computer validates the code in milliseconds. Mercedes-Benz developed this technology, which is now used by luxury car brands.

Another great feature is that many smart key systems will continue to function in the event that the user forgets the key in the trunk or left it in the restaurant or if it is lost on hiking. Some systems will alert the driver when the battery is running low. Certain brands provide key covers specifically made for smart keys that ensure that the fob is protected from harm.

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