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In contrast how to unlock a smart car without a key traditional keys, smart keys cars key technology broadcasts a unique frequency signal each time you unlock your car or remotely open your trunk. This makes it difficult for a thief to make use of the same signal to make hotwires to your vehicle.
This does not mean that your vehicle is monitoring you, but it communicates with the key fob through radiofrequency signals. Most smart keys also have indicators for battery that will inform you when the battery is running low. The replacement of the battery is easy and doesn't require any special tools.
Simple to use
Smart keys connect with your car via radiofrequency signals, which is different from conventional keys, which need to be placed through the keyhole. They transmit encrypted data, which can unlock your door and start the engine. Smart keys are more secure than traditional ones because hackers need special equipment to detect the signals between the smart key and your car.