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Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to unlock and start the car simply by grabbing the door handle or placing the key in the pocket. It also allows for a variety of other adjustments, including seat position the internal temperature setting and mirror position.

This could also raise security worries.

Security

Smart keys are computerized key fobs that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and start the motor. Contrary to conventional keys, which emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that are specific to the specific car they belong to. This makes it harder for criminals with a technological edge to intercept or fake the signal and use your key to steal your vehicle.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a car, it automatically unlocks the door and tailgate, and the engine starts when the key's button is pressed.

Additionally certain smart keyssuch as those from BMW have their own user settings that allow the driver to adjust the mirrors, seat and the steering wheel's position as well as audio preferences with the click of a button. They also come with an emergency lock that keeps the vehicle from starting without the key in the ignition.

This technology can prevent drivers from locking their cars, especially when they have to search their purse or backpack to find keys in a parking space full of strangers or in an area with high crime rates. A lot of systems will alert drivers when the battery in their keys is not fully charged, though this feature varies by manufacturer.

Convenience

If you're in a hurry to get somewhere the smart key makes entering your car as simple as it can be. You can unlock, lock and start your car by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to track charging locations, charging, and other information about your vehicle.

It isn't safe to lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine if it's within range. If it's not, the engine won't start. This will stop thieves from taking your vehicle and then selling its parts.

BMW reports that the smart key makes use of rolling codes to ward off hacking and cloning. The vehicle's computer recognizes and verifies the code before starting the motor. The majority of systems have a mechanical backup in the form of a hidden key blade.

Modern smart keys also detect which keys are in use and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. If you turn on your vehicle while holding the key in your palm for instance the windows as well as the sunroof can be opened to allow fresh air to enter the interior. You can also set up an automatic speed limit that will only be activated when the vehicle is powered by the chosen key. This feature can be useful if you are lending your car to a driver who has little 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, hold down the lock button and press the unlock button.

This will block your smart car key programming key fob from sending or receiving any radio waves that could extend its battery's lifespan significantly. You can always restart this feature by pressing the unlock and lock buttons once more.

Certain smart keys also come with anti-theft features to prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to vehicles. The car's computer will check the code every millisecond after the smart key is introduced. BMW also has a similar system with its Display Key, which has a small LCD color touchscreen on the smart key for added convenience and allows drivers to lock and unlock their cars without ever removing it from their pockets.

If you're considering purchasing the latest car equipped with a smart key, or require your smart key fob's battery replaced, call Pop-A-Lock to get a quick and easy service. Our mobile locksmiths can replace the battery of any smart key and help to set it up so that your car can recognize it.

Special Cases

smart car key programmer keys aren't 100% theft-proof, but they assist in preventing thieves. Smart keys utilize rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the vehicle's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now employed by many high-end car brands.

Another useful feature is that many smart key systems will continue to function if the user forgot the key in the trunk, left it at the restaurant or if it is lost on the trail. Certain systems will notify the driver when the battery is not fully charged. Some brands offer key covers designed specifically for smart car key replacement keys to protect the fob from damage.