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Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to open and start the car by pressing the door handle or putting the key in the pocket. It also allows for a variety of other adjustments, like the position of seats and internal temperature settings, mirror positioning and stereo presets.

This could also raise security issues.

Security

Smart keys are sophisticated computerized key fobs that communicate with vehicles via one of the antennas in the car to unlock the doors and to start the engine. Smart keys, unlike traditional keys that emit the same frequency each time they're pulled, transmit encrypted signals which are only compatible with the particular car to which they belong. This makes it harder for thieves with the latest technology to steal or spoof the signal and use the key to steal your car.

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

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

This technology prevents drivers from being unable to lock their vehicle especially when looking in a purse or a backpack for keys on an open parking lot with strangers, or on a street where crime is high. A lot of systems will alert drivers when the battery in their keys is not fully charged, though this feature varies from manufacturer the manufacturer.

Convenience

The smart key is perfect for those who are trying to get somewhere. You can lock, unlock and start your car by pressing a button on the door handle or trunk release. Popular Mechanics explains that the key fob can also be used for tracking charging, location, and other vehicle information.

You shouldn't lock your keys inside the car. The key fob communicates with the antenna inside the vehicle to determine whether it's in range. If not, the engine will not start. This will deter thieves who might take your vehicle and sell its parts.

BMW reports that the smart key utilizes rolling codes in order to prevent hacking and cloning. A computer inside the vehicle is able to recognize the code and verifies it prior to starting the engine. Many systems also have a backup mechanical system that is a key blade that's hidden to enhance the appearance of the.

Modern smart keys also detect the type of key being used and adjust the car settings as needed, according to How Stuff Works Electronics. For instance, if start the car while holding the key fob in the palm of your hand, the windows and sunroof can be opened to let the air in the cabin breathe. You can also set an upper limit on speed that will only apply when the vehicle is started with the selected key, a feature that could be useful if you loan your car to a new driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart car keys key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto smart key replacement manufacturer-specific feature called Power Saving Mode. To activate it, press the lock button down and then press the unlock button.

This will block your replacement smart car key key fob from transmitting or receiving radio waves that could extend its battery's life considerably. You can always reactivate the function by pressing the unlock and lock buttons again.

Certain smart keys also have anti-theft features to prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. The computer in the car checks the code milliseconds after the smart key is inserted. BMW uses a similar method with its Display Key, which comes with an LCD touchscreen on the smart key for convenience and enables drivers to lock and unlock their cars without ever removing it from their pockets.

If you're thinking about buying a new car that has a smart key, or need the battery in your smart key changed, contact us at Pop-A Lock for a quick and simple service. We can replace the battery in any smart key and our mobile locksmiths are able to assist you in setting it up so that your car smart key replacement can recognize it.

Special Cases

While smart keys are not security-wise, they can be used to stop thieves. Smart keys are designed to keep hackers from hacking into the system. When they are inserted into the ignition of the car The computer confirms the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by many high-end car brands.

A smart key system will work even if you forget the key in your trunk or leave it in the restaurant. Some systems will alert the driver when the battery is not fully charged. Certain brands have keys with covers specifically designed for smart keys that protect the fob from damage.