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Vehicle Smart Key Technology

The smart forfour key Replacement key technology found in vehicles lets drivers unlock and start their car by just touching the door handle, or placing the key into the pocket. It also allows many other adjustments including the position of the seat as well as internal temperature settings and mirror positioning.

This could also raise security concerns.

Security

Smart keys are key fobs that are computerized and communicate with vehicles via one of the antennas in the car to unlock doors and to start the engine. Smart keys, unlike traditional keys, which emit the same frequency each time they're pressed, transmit encrypted signals that are only compatible with the car to which they belong. This makes it more difficult for tech-savvy thieves to spoof or intercept the signal and use the key to take your car.

Mercedes' Keyless Go system For instance, it has an internal transponder that identifies the driver's key. When the Smart Key comes within 1.5 meters of a vehicle it instantly unlocks the tailgate and door and the engine will start when the key's button is hit.

Some smart keys, like those from BMW and Mercedes-Benz, also come with user-specific settings, which allow users to alter the seat, mirrors and steering wheel's position and even the audio settings with the press of a single button. They also have the backup lock, which stops the vehicle starting without the key.

This technology stops drivers from not locking their cars properly, especially when searching in bags or purses for keys in parking lots with strangers, or on a street where crime is high. A lot of systems will alert drivers when the battery of their key is low, but this feature may differ from manufacturer to the manufacturer.

Convenience

If you're in a hurry get somewhere, the smart key makes entering your vehicle as easy as possible. By pressing the button on your trunk release or door handle you can unlock, lock and begin your vehicle. Popular Mechanics explains that the key fob can also be used for tracking charging or location as well as other information about your vehicle.

It isn't safe to lock your keys inside the car. The key fob is connected to an antenna in the vehicle to determine if it is within range. If it's not in range, the engine will not start. This will deter thieves from absconding with your vehicle and selling parts of it.

The smart key also employs rolling codes to deter hacking attempts and cloning, according to BMW. The computer inside the vehicle recognizes and verifies the code before starting the motor. Most systems have a physical backup system in the form of a hidden key blade.

how to unlock a smart car without a key Stuff Works Electronics notes that modern smart keys also detect the keys being used and adjust the vehicle settings accordingly. For instance, if turn on the car while holding the key fob in the palm of your hand the windows and the sunroof are opened to let the cabin air dry. You can also set up a speed limit that will only be activated when the vehicle is powered by the specified key. This feature can be useful if you're loaning your car to someone with no 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 this feature, press and hold the lock button while pressing the unlock button.

This will prevent your smart key fob from sending or receiving radio signals, which will extend its battery's life by a significant amount. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Some smart keys include 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 the vehicle. When a smart key is put in the ignition, a computer in the car confirms the code in milliseconds, before it starts the engine. BMW makes use of a Display Key with a small LCD screen with a color. This lets drivers lock their cars, open them, and even start them without taking the smart key from their pockets.

Contact us at Pop-A Lock if you require to replace the battery on the smart key fob you have or should you be thinking of purchasing a vehicle with a smart-key. We can replace the battery on any smart car key key and our mobile locksmiths will assist you in setting the system so that your car can recognize it.

Special Cases

Smart keys aren't 100% secure against theft, but they do assist in preventing thieves. Smart keys are designed to prevent 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 developed by Mercedes-Benz and is now used by many automobile brands that are luxury.

Another great feature is that the majority of smart key systems will continue to function even if a user forgot the key in the trunk or left it at the restaurant, or lost it during the trail. Certain systems will also inform the driver when the battery is running low. Certain brands provide key covers designed specifically for smart keys to guard the fob from damage.