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Vehicle Smart Key Technology

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

This could also raise security worries.

Security

Smart keys are sophisticated electronic keys that communicate with vehicles via one of the antennas in the car to open doors and to start the engine. Smart keys, unlike conventional keys that emit the same frequency each time they're pressed, send encrypted signals that are only compatible with the vehicle to which they belong. This makes it much more difficult for thieves with advanced technology to intercept or spoof the signal, and then use your key to steal your vehicle.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the key of the driver. 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 press.

Certain replacement smart key keys, such as the ones from BMW are also equipped with user-specific settings that permit the driver to adjust the mirrors, seat and steering wheel's location and audio preferences with the press of a single button. They also have an emergency lock that stops the car from starting without the key in the ignition.

This technology helps keep drivers from accidentally locking their car, especially when they have to search their purse or backpack to locate keys in a parking space packed with people or on a busy street with high crime rates. Many systems will also alert drivers when the battery of their key is not fully charged, though this feature varies by the manufacturer.

Convenience

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

It isn't safe to lock your keys in the car. The key fob communicates to an antenna inside the vehicle to determine whether it is within the range. If not, the engine will not start. This will stop thieves from the vehicle and stealing parts of it.

BMW reports that the smart key uses rolling codes to protect against hacking and cloning. The vehicle's computer detects and validates the code prior to starting the motor. Most systems have a physical backup system that is a key blade hidden in the.

How Stuff Works Electronics notes that modern smart keys also detect when the key is used and adjust the car settings according to the situation. For example, if you turn on the car holding the key fob in your hand the windows and sunroof will open to let air circulate through the cabin. You can also set up the speed limit to only be used when the car is powered by the chosen key. This feature is useful if you are lending your car 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 do this you need to press and hold the lock button while pressing the unlock button.

This will make it impossible for your smart key fob's smart device from being able to send or receive any radio waves. This will significantly increase the battery's life. You can always restart this function by pressing the unlock and lock buttons once more.

Some smart keys also have anti-theft capabilities that protect them from being copied by thieves. Mercedes-Benz smart key uses rolling codes to block access by anyone who is not authorized to use it. The car's computer checks the code milliseconds after the smart key is placed. BMW offers a similar system with its Display Key, which includes a small LCD color touchscreen on the smart forfour key key for added convenience and allows drivers to lock or unlock their cars without ever removing the key from their pockets.

Call Pop-A-Lock if you need to replace the battery in your smart key fob in the event that you are thinking of purchasing a car that has a smart car key Programming-key. Our mobile locksmiths can replace the battery of any smart key and also help you set it so that your car can recognize it.

Special Cases

Smart keys aren't 100 100% secure against theft, but they do aid in deterring thieves. smart key copy key fobs are designed to stop hackers from hacking into the system. When they are placed in the ignition of the vehicle the computer validates the code in milliseconds. This technology was invented by Mercedes-Benz and is now employed by many premium car brands.

Another helpful feature is that the majority of smart key systems will operate in the event that the user forgets the key in the trunk or left it in a restaurant or lost it on the trail. Certain systems will notify the driver when the battery is depleted. Certain brands also offer key covers specifically designed for smart keys that keep the fob protected from harm.