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Vehicle Smart Key Technology

Smart keys in vehicles allow drivers to open and start the car by pressing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments like seating positions, internal temperature settings, mirror positioning and stereo presets.

This could also raise security worries.

Security

smart forfour key programming keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna to unlock doors and start the motor. In contrast to conventional keys that emit the identical frequency signal each time they are press, smart key fobs transmit encrypted signals that only match the specific vehicle they belong to. This makes it harder for thieves who are tech-savvy to fake or intercept the signal and use the key to steal your New Car Key Cost.

Mercedes' Keyless Go system For instance, it has an internal transponder that can identify the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it automatically unlocks the door and tailgate and starts the engine when the key's button is hit.

Additionally some smart keys- like those from BMW have their own user settings that allow the driver to alter the seat, mirrors, the position of the steering wheel as well as audio preferences at the touch of a button. They also come with an emergency lock that stops the vehicle from running without the key.

This technology helps drivers avoid not locking their cars properly particularly when they are searching backpacks or purses for keys on an open parking lot with strangers or a busy street where crime is high. Many systems also notify motorists when their keys are in danger of being depleted, though this feature varies by manufacturer.

Convenience

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

A big benefit is that you won't accidentally lose your keys. The key fob connects to an antenna inside the vehicle to determine if it is within range. If it's not in range, the engine will not start. This will stop thieves from the vehicle and stealing parts of it.

BMW reports that the smart fortwo key fob key employs rolling codes as well to protect against hacking and cloning. The computer inside the vehicle detects and validates the code before starting the motor. Most systems come with a mechanical backup in the form of an unnoticed key blade.

How Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings in line with the use of the key. For instance, if you turn on the car while holding the key fob in your hand the windows and the sunroof are opened to let air circulate through the cabin. You can also set the speed limit which will only be applicable when the vehicle is started with the selected key, a feature that could be useful if you loan 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 simply press and hold the lock button while pressing the unlock button.

This will make it impossible for your smart key fob to transmit or receive radio waves. This will significantly increase the life of its battery. You can always restart the function by pressing both the unlock and lock button again.

Certain smart keys have anti-theft features that prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. When the smart key is put in the ignition, a computer in the car confirms the code in milliseconds, before it starts the engine. BMW makes use of a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, unlock them, and start the engine without having to take the smart car key reprogramming key from their pocket.

Contact Pop-Alock if you need to replace the battery in your smart key fob, or if you are thinking of purchasing a vehicle with a smart-key. Our mobile locksmiths can change the battery of any smart key and help to set it so that your car can recognize it.

Special Cases

While smart keys aren't security-wise, they can be used to stop thieves. Smart keys are designed to deter hackers from gaining access to the system. When placed in the ignition of the car the computer checks the code in milliseconds. Mercedes-Benz developed this technology, which is now utilized by luxury car brands.

Another helpful feature is that most smart key systems will operate if the user forgot the key in the trunk or left it at the restaurant or if it is lost during hiking. Certain systems will notify the driver when the battery is depleted. Certain brands have key covers specifically made for smart keys that ensure that the fob is protected from damage.