Vehicle Smart Key Technology

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

However, it could also cause security issues.

Security

Smart Car Key Programming keys are key fobs with computers that communicate with the vehicle using one of the antennas built into the car to unlock the doors and start the engine. Smart key fobs, as opposed to conventional keys that emit the same frequency every time they're pressed, send encrypted signals that are only compatible with the specific car to which they belong to. This makes it much more difficult for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car.

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

Some smart keys, such as the ones from BMW and Mercedes-Benz, also come with user-specific settings, which allow users to alter the seat, mirrors, steering wheel position, and even the audio settings with the click of a button. They also come with the backup lock, which prevents the vehicle from starting if the key is not in the ignition.

This technology prevents drivers from getting their car locked accidentally, especially when searching in backpacks or purses for keys in a parking lot with people who are not familiar with the area or where crime is high. Many systems will also alert drivers if the key battery is low, but this feature can vary by manufacturer.

Convenience

The smart key is perfect for those in a rush to get to their destination. You can unlock, lock and start your car simply by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to monitor charging locations, charging, and other information about your vehicle.

It isn't safe to lock your keys in the car. The key fob connects to an antenna in the vehicle to determine whether it is within range. If it's not, the engine will not start. This will deter thieves who may steal your vehicle in order to sell the parts.

The smart key uses rolling codes to prevent hacking attempts as well as cloning, according BMW. The computer inside the vehicle recognizes and verifies the code prior to launching the motor. A majority of systems also have a backup mechanical system that is the key blade, which is hidden for styling purposes.

Modern smart keys also recognize which keys are in use and adjust the vehicle settings as needed, according to How Stuff Works Electronics. For example, if you turn on the car holding the key fob in your th smart-key. Our mobile locksmiths will change the battery on any smart key and help you set it so that your car can recognize it.

Special Cases

While smart keys are not secure against theft, they can help to deter thieves. Smart keys are designed to stop hackers from hacking into the system. When they are placed in the ignition of the car The computer confirms the code in milliseconds. This technology was developed by Mercedes-Benz and is now used by many premium car brands.

A smart key system will function even if you lose the key in your trunk or leave it in an establishment. 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 damage.