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Vehicle Smart Key Technology

The smart key technology in vehicles enables drivers to unlock and start their car by simply pressing the door handle, or placing the key into the pocket. It also allows many other adjustments including seat position the internal temperature setting and mirror position.

This can also cause security issues.

Security

Smart keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna. This allows them to unlock doors and begin the motor. Smart key fobs, as opposed to conventional keys that emit the same frequency each time they're pulled, transmit encrypted signals that are only compatible with the specific car to which they belong to. This makes it more difficult for tech-savvy thieves to impersonate or intercept the signal and use the key to take your car.

Mercedes' Keyless Go system, for example, has an internal transponder that identifies the key of the driver. When the smart key replacement cost Key comes within 1.5 meters of a vehicle, it automatically unlocks the tailgate and door, and the engine starts when a button on the key is pressed.

Some smart key replacement keys, such as the ones made by BMW and Mercedes-Benz, also come with user-specific settings that allow users to alter the mirrors, seat and steering wheel's location and even audio preferences with the click of a button. They also come with an emergency lock that prevents the vehicle from starting without the key in the ignition.

This technology helps drivers avoid being unable to lock their vehicle, especially when searching in backpacks or purses for keys on an open parking lot with people who are not familiar with the area or where crime is high. Many systems will also inform motorists when the battery for their key is not fully charged, though this feature can vary by manufacturer.

Convenience

The smart key is perfect for those trying to get to their destination. You can unlock, lock and start your car by pressing a button on the door handle or the trunk release. Popular Mechanics explains that the key fob can also be used to track charging or location as well as other information about your vehicle.

The main benefit is that you aren't able to accidentally be locked out. The key fob communicates with an antenna in the vehicle to determine whether it is within range. If it's not, the engine will not start. This will deter thieves from stealing your vehicle and selling its parts.

BMW reports that the smart key employs rolling codes as well to prevent hacking and cloning. A computer in the vehicle recognizes the code and validates it prior to starting the engine. Most systems have a physical backup system that is an invisible key blade.

Modern smart keys can also tell the key that is being used and adjust the settings of the vehicle as needed, 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 an upper limit on speed that will only be in effect when the car is started using the chosen key, a feature that can be useful when loaning your vehicle to a novice 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 down the lock button and press the unlock button.

This will disable your smart key fob from sending or receiving radio signals which will increase its battery's lifespan significantly. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Certain smart keys come with anti-theft functions that prevent them being copied by thieves. Mercedes-Benz smart keys employ rolling codes to prevent access by anyone who is not authorized to use it. The computer in the car checks the code milliseconds after the smart key is put in. BMW makes use of a Display Key that has a tiny LCD color screen. This lets drivers lock their vehicles, unlock their doors, and start them without taking the smart key from their pocket.

Contact Pop-A-Lock if your need to replace the battery in your smart key fob, or if you are thinking of buying a car with a smart-key. Our mobile locksmiths will replace the battery of any smart key and also help you set it up so that your car can recognize it.

Special Cases

smart key for cars (Www.dermandar.Com) keys are not 100% theft-proof but they can help deter thieves. Smart keys employ rolling security codes that prevent theft, and when placed in the ignition, the vehicle's computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now utilized by a variety of premium car brands.

Another great feature is that most smart key systems will continue to work even if the user has forgotten the key in the trunk or left it at an eatery or lost it during hiking. Certain systems will also notify the driver if the battery is low. Certain brands have key covers specifically designed for smart keys. They keep the key safe from damage.