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Vehicle Smart Key Technology

The technology of smart keys in vehicles lets drivers unlock and start their vehicle by simply rubbing the door handle or putting the key in the pocket. It also permits a variety of other adjustments, including seats positions and internal temperature settings, mirror position and stereo presets.

This can also lead to security concerns.

Security

Smart keys are advanced key fobs that are computerized and communicate with a vehicle via one of the car's embedded antennas to unlock doors and begin the engine. Contrary to conventional keys, which emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that only match the specific vehicle they belong to. This makes it much more difficult for thieves with the latest technology to fake or intercept the signal and use the key to take your car.

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

Certain smart keys, such as those from BMW additionally have user-specific settings, which allow the driver to adjust the mirrors, seat and steering wheel's position and audio preferences at the click of a button. They also come with the backup lock, which will stop the car from starting without the key in the ignition.

This technology helps drivers avoid accidentally locking their vehicles particularly when they are searching the bag or purse to find keys in the parking lot of strangers, or on a street where crime is high. A lot of systems will alert drivers when the battery in their keys is low, though this feature may differ from manufacturer to manufacturer.

Convenience

If you're in a hurry to get to a place, the smart key makes getting into your vehicle as easy as possible. By pressing the button on your trunk release or door handle you can lock, unlock and open your vehicle. Popular Mechanics explains that the key fob can also be used to monitor charging, location, and other vehicle information.

A major benefit is that you can't accidentally lock yourself out. The key fob connects to an antenna inside the vehicle to determine whether it's within range. If it's not, the engine will not start. This will deter thieves from the vehicle and stealing its parts.

BMW reports that the smart car replacement key key employs rolling codes, as well as to ward off hacking and cloning. The vehicle's computer is able to recognize and verify the code prior to starting the motor. The majority of systems also have a mechanical backup in the form of a key blade that's hidden to be used for styling purposes.

How Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings according to the situation. If you start the vehicle while holding the key in your palm for instance windows and sunroof will be opened to let air circulate the interior. You can also set the speed limit which will only be in effect when the car is started using the selected key, which can be useful when loaning your car to an inexperienced driver.

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 the lock button until you release it and press the unlock button.

This will prevent your smart key fob from being able to transmit or receive radio waves. This will dramatically extend its battery life. You can always reactivate the function by pressing both the lock and unlock buttons again.

Certain smart keys have anti-theft features to prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. When a smart key is put in the ignition, a computer within the car confirms the code in milliseconds prior beginning the engine. BMW makes use of a Display Key that has a tiny LCD color screen. This allows drivers to lock their vehicles, unlock their doors, and start the engine without having to take the smart key locksmith near me key from their pockets.

If you're thinking about buying the latest car key replacement specialist equipped with a smart key, or you need the battery in your smart car key fob key replaced, contact Pop-A-Lock for a quick and simple service. We can replace the battery in any smart car spare key key and our mobile locksmiths can assist you in setting it up to make sure your vehicle recognizes it.

Special Cases

While smart keys aren't security-wise, they can be used to hinder thieves. Smart keys use rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the car's computer verifies the code within milliseconds. This technology was invented by Mercedes-Benz and is currently used by a number of luxury car brands.

A smart key system will work even if you forget the key in the trunk or leave it in a restaurant. Certain systems will notify the driver when the battery is depleted. Certain brands also offer key covers specifically made for smart key replacement keys that protect the fob from harm.