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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 permits a variety of other adjustments, like the position of seats as well as internal temperature settings stereo presets, and mirror positioning.

This could also raise security concerns.

Security

Smart keys are advanced computerized key fobs that communicate with vehicles via one of the antennas that are embedded in the vehicle to unlock doors and start the engine. Unlike conventional keys, which emit the same 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 harder for thieves with a technological edge to impersonate or intercept the signal and use the key to take your car smart key replacement.

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

Furthermore certain smart keyslike those made by BMW have their own user settings that allow the driver to adjust the seat, mirrors and steering wheel position and audio preferences at the click of a button. They also have the backup lock, which will stop the car from starting without the key in the ignition.

This technology stops drivers from getting their car locked accidentally, especially when searching in backpacks or purses for keys in a parking lot with strangers or a busy street where crime is high. Many systems will also inform motorists when the battery for their key is low, but this feature may differ from manufacturer to manufacturer.

Convenience

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

You don't want to accidentally lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine if it is within range. If not, the engine will not start. This is a deterrent to thieves who might steal your car to sell the parts.

BMW reports that the smart key utilizes rolling codes to prevent hacking and cloning. The vehicle's computer can recognize and verify the code prior to starting the motor. Most systems come with a mechanical back-up in the form a hidden key blade.

Modern smart keys can also tell which keys are in use and adjust the vehicle settings in accordance with the key's use, according to How Stuff Works Electronics. For instance, if turn on the car holding the key fob in your hand the windows and sunroof will open to let the cabin air dry. You can also set up the speed limit to only be activated when the vehicle is powered by the specified key. This feature is useful when you lend your car to someone who is not experienced.

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 smart key replacement 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 key fob from sending or receiving any radio waves, which will extend its battery's life considerably. You can always restart this feature by pressing the unlock and lock buttons once more.

Certain smart keys also have anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart key replacement near me keys utilize rolling codes to block unauthorized access. The car's computer checks the code milliseconds after the smart key replacement near me key is placed. BMW also has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for convenience and allows drivers to lock and unlock their vehicles without ever taking the key from their pockets.

If you're considering buying the latest car equipped with a smart key, or require the battery in your smart key changed, contact us at Pop-A Lock for a quick and efficient service. We can replace the battery on any smart key, and our mobile locksmiths will help you set it up so that your vehicle recognizes it.

Special Cases

Although smart keys aren't theft-proof, they do help to hinder thieves. Smart key fobs use rolling security codes to prevent theft, and when placed in the ignition, the car's computer checks the code in milliseconds. Mercedes-Benz created this technology, which is currently utilized by luxury car brands.

Another great feature is that many smart key systems will continue to function if the user forgot the key in the trunk or left it in an eatery or lost it during hiking. Some systems will alert the driver when the battery is not fully charged. Certain brands have key covers designed specifically for smart keys to guard the fob from damage.