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Vehicle Smart Key Technology

Vehicle smart key technology allows the driver to unlock and start the car simply by pressing the door handle or placing the key in the pocket. It also enables a range of other adjustments, like the position of seats and internal temperature settings, stereo presets, and mirror positioning.

This can also cause security worries.

Security

Smart keys are key fobs with computers that communicate with a vehicle through one of the antennas in the car to open the doors and to start the engine. In contrast to conventional keys that emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it harder for thieves who are tech-savvy to spoof or intercept the signal and use the key to take your car.

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

Certain smart keys, like those made by BMW additionally have user-specific settings that allow users to alter the seat, mirrors and steering wheel's position and audio preferences with the push of a button. They also come with a backup lock that blocks the vehicle from running without the key.

This technology protects drivers from being unable to lock their vehicle especially when looking in backpacks or purses for keys in the parking lot of people who are not familiar with the area or where crime is high. Many systems also alert drivers when keys are low on battery, although this feature is different for each manufacturer.

Convenience

If you're in a hurry get somewhere the smart key makes getting into your car as simple as possible. By pressing the button on your trunk release or door handle you can open, lock and open your vehicle. The key fob will interact with your phone to track charging and location as well as other information about the vehicle, says Popular Mechanics.