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Vehicle Smart Key Technology

The technology of smart keys in vehicles enables drivers to unlock and start their vehicle by simply rubbing the door handle, or putting the keys in the pocket. It also allows for a variety of other adjustments including seat position as well as internal temperature settings and mirror positioning.

This could also raise security worries.

Security

Smart keys are key fobs that are computerized and communicate with vehicles via one of the antennas built into the car to open doors and start the engine. In contrast to conventional keys that emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the car they belong to. This makes it much more difficult for thieves with advanced technology to intercept or spoof the signal, and Vehicle Smart Key then use your key to steal your vehicle.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify the key of the driver. When the Smart Key comes within 1.5 meters of a car it will automatically unlock the door and tailgate and starts the engine when the key's button is pressed.

Some smart keys, like those made by BMW are also equipped with user-specific settings, which allow the driver to alter the mirrors, seat and steering wheel's location and audio preferences with the click of a button. They also have a backup lock that blocks the vehicle from starting without the key.

This technology can prevent drivers from locking their car, especially when they have to search their purse or backpack to find keys in a parking lot full of strangers or in an area with high rates of crime. Many systems also alert drivers when keys are running low on battery, but this feature varies by manufacturer.

Convenience

The smart key is ideal for those who are on the move and need to get to their destination. You can lock, unlock and Vehicle Smart Key start your car simply by pressing a button on the door handle or trunk release. The key fob can also communicate with your phone to keep track of charging locations, charging times and other details regarding the vehicle, as explained by Popular Mechanics.

A big benefit is that you won't accidentally get locked out. The key fob communicates with the antenna inside the vehicle to determine whether it's in range. If it's not, the engine will not start. This will stop thieves from absconding with your vehicle and selling parts of it.

BMW reports that the smart key locksmith near me key employs rolling codes in order to ward off hacking and cloning. A computer in the vehicle reads the code and checks it prior to starting the engine. A majority of systems also have a mechanical backup in the form of an invisible key blade for styling purposes.

How Stuff Works Electronics notes that modern smart keys be able to detect keys being used and adjust the vehicle settings according to the situation. If you turn on your vehicle while holding the key in your hands for instance windows and sunroof can be opened to allow fresh air to enter the interior. You can also set a speed limit which will only be applied when the car is powered by the selected key. This feature can be useful if you are lending your car to a driver who has no prior experience.

Battery Life

If you're looking for a way to get more mileage out of your vehicle smart key'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, hold down the lock button and press the unlock button.

This will stop your smart key fob from sending or receiving radio signals and will increase the battery's lifespan significantly. You can always restart the function by pressing both the unlock and lock button again.

Some smart keys have anti-theft features to prevent them from being copied by thieves. For example, Mercedes-Benz smart car key replacement keys use rolling codes to block unauthorized access to vehicles. When a smart key is inserted into the ignition, a computer in the car confirms the code in milliseconds before beginning the engine. BMW uses a Display Key that has a small LCD screen with a color. This lets drivers lock their vehicles, unlock them, and even start them without taking the smart key from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or considering buying a car with a smart-key. Our mobile locksmiths will change the battery of any smart key and help you set it so that your car can recognize it.

Special Cases

Smart keys aren't 100 100% safe from theft, but they can aid in deterring thieves. Smart keys utilize rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. Mercedes-Benz developed this technology, which is now utilized by luxury car brands.

A smart key system will continue to function even if you lose the key in the trunk or leave it at the restaurant. Certain systems will also notify the driver when the battery is running low. Some brands offer key covers specifically designed for smart car key programming keys. They protect the fob from harm.