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Vehicle Smart Key Technology

The smart key replacement key technology found in vehicles lets drivers unlock and start their car by simply pressing the door handle, or putting the keys in the pocket. It also permits a variety of other adjustments including seat position and internal temperature settings as well as mirror position.

However, this could create security concerns.

Security

Smart keys are key fobs that are computerized which communicate with the vehicle through an embedded antenna. It can unlock doors and start the motor. Contrary to conventional keys, which emit the same frequency signal each time they are pressed, smart key fobs transmit encrypted signals that are specific to the specific vehicle they belong to. This makes it difficult for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car.

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

Some smart keys, such as those from BMW are also equipped with user-specific settings that allow the driver to alter the seat, mirrors and the steering wheel's position and even the audio settings with the touch of a single button. They also come with a backup lock, which will stop the car from starting without the key in the ignition.

This technology helps drivers avoid getting their car locked accidentally and causing damage to their vehicle, particularly when searching backpacks or purses for keys in the parking lot of strangers or on a busy street where crime is high. A lot of systems will also notify drivers when keys are in danger of being depleted, though this feature is different for each manufacturer.

Convenience

The smart car key repair key is perfect for those trying to get to their destination. By pressing the button on your trunk release or door handle, you can lock, unlock and begin your vehicle. Popular Mechanics explains that the key fob can be used to track charging, location, and other information about your vehicle.

You don't want to accidentally lock your keys inside the car. The key fob communicates with an antenna within the vehicle to determine if the key is in range. If it's not, the engine won't start. This will stop thieves from absconding with your vehicle and selling parts of it.

BMW reports that the smart key makes use of rolling codes as well to protect against hacking and cloning. The vehicle's computer is able to recognize and verify the code before starting the motor. Many systems also have a mechanical backup that is a key blade that's hidden for styling purposes.

Modern smart car key programming - look at these guys, keys also recognize which key is in use and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. If you turn on the vehicle while holding the key in your hand, for example the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set up the speed limit to only be in effect when the vehicle is powered by the selected key. This feature can be useful if you're loaning your car to someone who is not experienced.

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, press the lock button, then press the unlock button.

This will stop your smart key fob's smart device from being able to send or receive any radio waves. This will significantly extend the life of its battery. It is possible to reactivate the function by pressing the lock and unlock buttons again.

Certain smart keys also come with anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart keys use rolling codes to block the unauthorized access. When the smart key is inserted in the ignition, a computer in the car verifies the code in milliseconds prior to it starts the engine. BMW uses a similar method with its Display Key, which comes with 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.

Call Pop-A-Lock if you need to replace the battery in your smart key fob should you be thinking of purchasing a car with smart-key. Our mobile locksmiths will replace the battery on any smart key, and will help you set it up so that your car recognizes it.

Special Cases

While smart keys are not security-wise, they can be used to stop thieves. Smart keys utilize rolling security codes that prevent hacking, and when placed in the ignition, the car's computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a number of luxury car brands.

A smart key system will work even if you don't remember the key in the trunk or leave it in an establishment. Some systems will alert the driver when the battery is depleted. Certain brands provide key covers that are specifically designed for smart keys that protect the fob from damage.