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Vehicle Smart Key Technology

The smart key technology in vehicles lets drivers unlock and start their vehicle by simply touching the door handle or putting the key in the pocket. It also allows for a variety of other adjustments, including seating positions as well as internal temperature settings stereo presets and mirror positions.

This can also cause security concerns.

Security

Smart keys are highly sophisticated key fobs with computers that communicate with a vehicle through one of the antennas built into the car to unlock doors and to start the engine. Contrary to conventional keys, which emit the identical frequency signal each time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the specific vehicle they belong to. This makes it difficult for thieves with the latest technology to steal or spoof the signal and use the key to steal your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder, which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a car, it automatically unlocks the door and tailgate and the engine will start when the key's button is hit.

Furthermore, some smart car key replacement cost key for Car near Me (telegra.ph) keys -- like those from BMW have their own user settings that let the driver adjust the seat, mirrors and the steering wheel's position as well as audio preferences at the push of the button. They also have the backup lock, which stops the vehicle from running without the key.

This technology prevents drivers from not locking their cars properly particularly when they are searching backpacks or purses to find keys in the parking lot of strangers, or on a street where crime is high. Many systems will also inform drivers when the battery of their key is low, though this feature may differ from manufacturer to the manufacturer.

Convenience

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

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

BMW reports that the smart key employs rolling codes, as well as to stop cloning and hacking. A computer within the vehicle is able to recognize the code and checks it prior to starting the engine. Most systems have a physical backup system that is an unnoticed key blade.

Modern smart keys also detect which key is in use and adjust the car 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 be opened to let air circulate the interior. You can also set the speed limit to only be applicable when the vehicle is started using the chosen key, a feature that could be useful when loaning your car to an inexperienced 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 this feature, hold the lock button until you release it and press the unlock button.

This will block your smart key fob from transmitting or receiving radio waves which will increase its battery life significantly. You can always restart this feature 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. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. When a smart key is put in the ignition, a computer inside the car verifies the code in milliseconds prior even starting the engine. BMW utilizes a Display Key that has a tiny LCD color screen. This allows drivers to lock their cars, unlock their doors, and start them without having to remove the smart key from their pocket.

Call Pop-A-Lock if you need to replace the battery in your smart car key reprogramming key fob, or considering purchasing a car with smart-key. Our mobile locksmiths can change the battery on any smart key, and will help to set it so that your car can recognize it.

Special Cases

While smart keys aren't security-wise, they can be used to hinder thieves. Smart keys employ rolling security codes to protect against hackers, and when put in the ignition, the vehicle's computer validates the code within milliseconds. Mercedes-Benz created this technology, which is currently utilized by luxury car brands.

A smart key system will work even if it is not possible to remember the key in the trunk or leave it in the restaurant. Some systems will also alert the driver if the battery is running low. Some brands offer key covers specifically made for smart keys that keep the fob protected from harm.