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Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car smart key programming near me simply by pressing the door handle or putting the key in the pocket. It also allows many other adjustments, including seat position the internal temperature setting and mirror positioning.

This could also create security worries.

Security

Smart keys are computerized key fobs which communicate with the vehicle through an embedded antenna to unlock doors and activate the motor. As opposed to traditional keys, which emit the identical frequency signal each time they are activated, smart keys transmit encrypted signals that are only compatible with the car they belong to. This makes it difficult for thieves with advanced technology to spoof or intercept the signal and use your key to steal your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder, which identifies the key of the driver. The replacement smart key Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing a button on its key.

Some smart keys, such as the ones made by BMW and Mercedes-Benz, also come with user-specific settings, which allow the driver to alter the seat, mirrors and the steering wheel's position and audio preferences at the touch of a single button. They also have a backup lock that blocks the vehicle starting without the key.

This technology helps drivers avoid being unable to lock their vehicle, especially when searching in bags or purses for keys on parking lots with strangers or a busy street where crime is high. Many systems will also alert motorists when the battery for their key is low, but this feature varies by the manufacturer.

Convenience

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

You shouldn't lock your keys in the car. The key fob communicates to an antenna inside the vehicle to determine if it is within the range. If it's not in range, the engine will not start. This helps deter would-be thieves who might steal your vehicle to sell its parts.

The smart key also employs rolling codes to prevent hacking attempts and cloning, reports BMW. A computer inside the vehicle detects the code and checks it before starting the engine. The majority of systems have a mechanical back-up in the form a hidden key blade.

Modern smart keys also recognize which keys are in use and adjust the vehicle settings in line with the use of the key, says How Stuff Works Electronics. If you turn on the vehicle while holding the key in your hand, for example windows and sunroof will open to ventilate the interior. You can also set up a speed limit which will only be applied when the car is powered by the specified key. This feature can be useful if you are lending your vehicle to a person who is not experienced.

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 prevent your smart key fob from being able to transmit or receive radio waves. This will significantly extend the life of your battery. You can always reactivate this function by pressing the unlock and lock buttons once more.

Certain smart keys also come with anti-theft features to prevent them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized vehicle access. When a smart key is put in the ignition, a computer within the car confirms the code in milliseconds prior beginning the engine. BMW utilizes a Display Key that has a tiny LCD screen with a color. This lets drivers lock their cars, unlock their doors, and start them without having to remove the smart key from their pockets.

If you're thinking about buying an automobile with a smart key, or you need the battery in your smart key changed, contact us at Pop-A Lock for a quick and simple service. Our mobile locksmiths will change the battery on any smart key, and will help you set it so that your car can recognize it.

Special Cases

Smart keys are not 100% theft-proof but they can assist in preventing thieves. smart car key not working keys use rolling security codes to protect against the hacking of keys, and when they are placed in the ignition, the car's computer can verify the code within milliseconds. This technology was invented by Mercedes-Benz and is now employed by a variety of luxury car brands.

A smart key system will continue to work even if it is not possible to remember the key in your trunk or leave it in an establishment. Certain systems will also inform the driver when the battery is not fully charged. Certain brands also offer key covers specifically designed for smart car key replacement cost keys to guard the fob from damage.