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Vehicle Smart Key Technology

The smart key technology in vehicles enables drivers to unlock and start their vehicle by simply touching the door handle or placing the key into the pocket. It also allows a variety of other adjustments, like seats positions and internal temperature settings, mirror positioning and stereo presets.

However, this could also cause security issues.

Security

Smart keys are sophisticated key fobs that are computerized and communicate with a vehicle via one of the antennas built into the car to open the doors and to start the engine. Contrary to conventional keys, which emit the identical frequency signal each time they are pressed, smart key fobs transmit encrypted signals that only match the specific vehicle they belong to. This makes it more difficult for thieves with the latest technology to fake or intercept the signal and use the key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also starts the engine by pressing a button on its key.

Additionally certain smart keyssuch as those from BMW -- have individual user settings that let the driver adjust the seat, mirrors and the position of the steering wheel as well as audio preferences at the push of a button. They also come with an emergency lock that stops the vehicle starting without the key.

This technology protects drivers from accidentally locking their vehicles, especially when searching in a purse or a backpack for keys in a parking lot with strangers or on a busy street where crime is high. A lot of systems will also notify drivers when the key is running low on battery, but 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 it can be. By pressing the button on the trunk release lever or door handle, you can unlock, lock and get into your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging, location, and other vehicle information.

A major benefit is that you don't lock yourself out. The key fob communicates with an antenna in the vehicle to determine if it's within range. If not, the engine will not start. This will deter thieves from taking your vehicle and then selling its parts.

BMW reports that the smart key employs rolling codes to stop cloning and hacking. The computer in the vehicle can recognize and verify the code prior the start of the motor. A majority of systems also have a backup mechanical system that is an unnoticed key blade for styling purposes.

how much is a replacement smart car key Stuff Works Electronics notes that modern smart keys can also detect the key used and adjust the car settings accordingly. For example, if you start the car while holding the key fob in your palm, the windows and sunroof can be opened to ventilate the cabin. You can also set the speed limit to only be applied when the car is powered by the selected key. This feature is beneficial if you're lending your vehicle 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'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 activate it, press the lock button until you release it and press the unlock button.

This will block your smart key fob's smart device from being able to transmit or receive radio waves. This will greatly extend its battery life. You can always activate the function by pressing both the unlock and lock buttons again.

Certain smart keys also come with anti-theft features that prevent them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to stop the unauthorized access. The car's computer examines the code in milliseconds after the smart key near me key is introduced. BMW has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for ease of use and enables drivers to lock or unlock their vehicles without ever taking it from their pockets.

If you're thinking of buying a new car with a smart key, or need your smart car keys key fob's battery changed, contact us at Pop-A Lock to get a quick and easy service. We can replace the battery on any smart key and our mobile locksmiths are able to assist you in setting it up so that your vehicle recognizes it.

Special Cases

Although smart keys aren't security-wise, they can be used to discourage thieves. Smart keys are designed to keep hackers from gaining access to the system. When they are placed in the ignition of the car the computer checks the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by many automobile brands that are luxury.

Another useful feature is that the majority of smart key systems will continue to function even if the user has forgotten the key in the trunk, left it at the restaurant, or lost it during a hike. Certain systems will also notify the driver if the battery is running low. Certain brands provide key covers designed specifically for smart keys that protect the fob from damage.