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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 key in the pocket. It also enables a range of other adjustments, like seat positions and internal temperature settings, stereo presets, and mirror positioning.

This could also create security worries.

Security

Smart keys are computerized key fobs that communicate with the vehicle through an embedded antenna to unlock doors and begin the motor. Smart keys, unlike traditional keys, which emit the same frequency each time they're pressed, send encrypted signals which are only compatible with the particular car to which they belong to. This makes it difficult for hackers with the latest technology to intercept or spoof the signal and use your key to steal your vehicle.

Mercedes' Keyless Go system, for example, has an internal transponder, which can identify the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle it instantly unlocks the door and tailgate and starts the engine when the key's button is press.

Furthermore certain smart keys- like those from BMW come with individual user settings that allow the driver to alter the seat, mirrors, the steering wheel's position as well as audio preferences with the click of the button. They also have a backup lock that prevents the vehicle from starting if it is not connected to the key.

This technology helps drivers avoid being unable to lock their vehicle particularly when they are searching bags or purses for keys on an open parking lot with people who are not familiar with the area or where crime is high. A lot of systems will alert drivers when the battery in their keys is depleted, though this feature may differ from manufacturer to the manufacturer.

Convenience

If you're in a hurry to get to a place, 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 lock, unlock and get into your vehicle. Key fobs can also interact with your phone to track charging and location as well as other information about the vehicle, says Popular Mechanics.

You shouldn't lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If it's not, the engine won't start. This will deter thieves who may steal your vehicle in order to sell the parts.

The smart key also uses rolling codes to prevent hacking attempts and cloning, reports BMW. A computer within the vehicle is able to recognize the code and verifies it prior to launching the engine. Most systems have a mechanical backup in the form of an unnoticed key blade.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys when it is in use and adjust the vehicle settings in line with the use of the key. For instance, if you switch on the car while holding the key fob in your hand the windows and sunroof will open to let the air in the cabin breathe. You can also set the speed limit to only be in effect when the car is powered by the specified key. This feature could be useful if you're loaning your car to someone who has little 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 it, press down the lock button and press the unlock button.

This will stop your smart key fob to send or receive any radio waves. This will greatly extend its battery life. You can always restart this feature by pressing the unlock and lock buttons again.

Certain smart keys have anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart key programing (about his) keys utilize rolling codes to prevent the unauthorized access. When a smart key is inserted in the ignition, a computer within the car checks the code in milliseconds before starting the engine. BMW utilizes a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their cars, unlock their doors, and start them without removing the smart car key repair key from their pockets.

If you're thinking of buying a new car that has a smart key, or require the battery of your smart key fob changed, contact us at Pop-A Lock for a quick and simple service. Our mobile locksmiths will change the battery of any smart key, and will help to set it up so that your car recognizes it.

Special Cases

Smart keys aren't 100% theft-proof but they can help deter thieves. Smart keys are designed to stop hackers from gaining access to the system. When they are placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz created this technology, which is now utilized by luxury car brands.

Another useful feature is that most smart key systems will operate even if a user forgot the key in the trunk, left it at the restaurant, or lost it during hiking. Certain systems will notify the driver when the battery is low. Certain brands provide key covers specifically designed for smart keys to keep the fob protected from damage.