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Vehicle Smart Key Technology

The smart key technology found in automobiles allows drivers to open and start their car by simply touching the door handle or placing the key into the pocket. It also allows a variety of other adjustments, including seating positions, internal temperature settings, stereo presets, and mirror positioning.

This could also raise security worries.

Security

Smart keys are computerized key fobs that communicate with vehicles via an embedded antenna. This allows them to unlock doors and begin the motor. Smart key fobs, in contrast to traditional keys that emit the same frequency every time they're used, transmit encrypted signals that are compatible with the vehicle to which they belong. This makes it more difficult for thieves with advanced technology to spoof or intercept the signal and use your key to steal your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder which can identify the key of the driver. 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 hit.

Some smart keys, like the ones from BMW additionally have user-specific settings. These allow the driver to alter the seat, mirrors and steering wheel's position and even the audio settings with the push of a button. They also have a backup lock that prevents the vehicle from running without the key.

This technology helps drivers avoid not locking their cars properly, especially when searching in the bag or purse to find keys in parking lots with people who are not familiar with the area or where crime is high. Many systems will also 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 somewhere, the smart key makes getting into your car as easy as it can be. By pressing the button on the trunk release or door handle you can lock, unlock and get into your vehicle. The key fob can also communicate with your phone to keep track of charging, location and other data about the vehicle, says Popular Mechanics.

A big benefit is that you aren't able to accidentally lose your keys. The key fob connects to an antenna inside the vehicle to determine whether it is within the range. If it's not, the engine won't start. This helps deter would-be thieves who could take your vehicle and sell its parts.

BMW reports that the smart fortwo key programming key makes use of rolling codes as well to stop cloning and hacking. The vehicle's computer is able to recognize and verify the code prior the start of the motor. The majority of systems also have a backup mechanical system in the form of a key blade that's hidden to enhance the appearance of the.

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

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart car key case 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 this feature, press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob from having to send or receive any radio waves. This will significantly increase the battery's life. It is possible to reactivate the function by pressing both the lock and unlock buttons again.

Certain smart keys have anti-theft capabilities that prevent them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to prevent unauthorized access to vehicles. When the smart key is inserted in the ignition, a computer within the car validates the code in milliseconds before it starts the engine. BMW makes use of a Display Key with a small LCD color screen. This lets drivers lock their cars, unlock them, and even start them without having to remove the smart key from their pocket.

If you're thinking of buying an automobile with a Smart Forfour Key Programming key, or require the battery of your smart key fob replaced, call Pop-A-Lock for a fast and easy service. We can replace the battery in any smart car spare key key, and our mobile locksmiths can assist you in setting the system to make sure your vehicle recognizes it.

Special Cases

Smart keys aren't% theft-proof but they can aid in deterring thieves. Smart keys use rolling security codes to protect against the hacking of keys, and when they are placed in the ignition, the car's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is currently used by many automobile brands that are luxury.

Another benefit is that many smart key systems will continue to work if the user forgot the key in the trunk or left it at the restaurant, or lost it on hiking. Certain systems will also inform the driver when the battery is low. Certain brands have key covers designed specifically for smart keys, to shield the fob from damage.