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Vehicle Smart Key Technology

vehicle Smart key; https://sciencewiki.science/, technology allows the driver to unlock and start the car simply by touching the door handle or placing the key in the pocket. It also allows for various other adjustments, including seat position, internal temperature settings and mirror position.

However, this could also cause security issues.

Security

Smart keys are computerized key fobs that communicate with a vehicle via one of the antennas built into the car to unlock the doors and begin the engine. Unlike conventional keys, which emit the same frequency signal each time they are pressed, smart key fobs transmit encrypted signals that only match the car they belong to. This makes it difficult for thieves with the latest technology to fake or intercept the signal and use the key to steal your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify the driver's keys. The Smart Key automatically unlocks and opens the doors and the tailgate when it is within 1.5 meters. It also starts the engine by pressing a button on its key.

Additionally, some smart keys -- like those from BMW come with individual user settings that let the driver adjust the mirrors, seat and steering wheel position and audio preferences at the touch of the button. They also come with an emergency lock that stops the vehicle from starting if it is not connected to the key.

This technology helps drivers avoid being unable to lock their vehicle particularly when they are searching a purse or a backpack for keys in parking lots with strangers or a busy street where crime is high. A lot of systems will alert drivers if the key battery is low, though this feature varies by the manufacturer.

Convenience

The smart key is ideal for those on the move and need to get somewhere. You can lock, unlock and start your car simply by pressing a button on the door handle or trunk release. The key fob will also communicate with your smartphone to keep track of charging, location and other information about the vehicle, explains Popular Mechanics.

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

BMW reports that the smart key employs rolling codes in order to stop cloning and hacking. The vehicle's computer recognizes and verifies the code before starting the motor. Most systems have a physical backup system that is a hidden key blade.

Modern new smart car key keys also detect the type of key being used and adjust the car settings accordingly, notes how to unlock a smart car without a key Stuff Works Electronics. For example, if you start the car while holding the key fob in your hand, the windows and sunroof will open to let air circulate through the cabin. You can also set an upper limit on speed that will only be applied when the vehicle is started using the specified key, a feature that could be helpful when lending your car 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 do this simply press and hold the lock button while pressing the unlock button.

This will block your smart key fob's smart device from being able to send or receive any radio waves. This will significantly increase the life of your battery. You can reactivate this function by pressing the unlock and lock buttons once more.

Certain smart keys have anti-theft functions that prevent them being copied by thieves. Mercedes-Benz smart key for cars key uses rolling codes to stop access by anyone who is not authorized to use it. The computer in the car will check the code every millisecond after the smart key is inserted. BMW has a similar system with its Display Key, which features a small LCD color touchscreen on the smart key for ease of use and enables drivers to lock or unlock their vehicles without ever taking it from their pockets.

Contact us at Pop-A Lock if you require to replace the battery in your smart key fob, or considering purchasing a vehicle with a smart-key. Our mobile locksmiths will change the battery of any smart key, and will help to set it up so that your car recognizes it.

Special Cases

Although smart keys aren't secure against theft, they can help to stop thieves. smart forfour key replacement keys are designed to prevent hackers from hacking the system. When they are placed in the ignition of the vehicle the computer validates the code in milliseconds. This technology was invented by Mercedes-Benz and is now used by many premium car brands.

Another useful feature is that the majority of 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 during an excursion. Certain systems will notify the driver when the battery is running low. Some brands offer key covers specifically designed for smart keys to protect the fob from harm.