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Vehicle Smart Key Technology

The technology of smart keys in vehicles allows drivers to unlock and start their vehicle by just touching the door handle, or by putting the key into the pocket. It also permits a variety of other adjustments, such as the position of seats, internal temperature settings, mirror positioning and stereo presets.

However, it could also create security concerns.

Security

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

For example, Mercedes' system -- called Keyless Go -- has an internal transponder that identifies the driver's keys. When the Smart 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.

Furthermore, some smart keys -- like those from BMW have their own user settings that allow the driver to adjust the mirrors, seat and steering wheel position and audio preferences at the push of the button. They also have the backup lock, which stops the vehicle from starting without the key.

This technology helps drivers avoid being unable to lock their vehicle especially when looking in backpacks or purses for keys in parking lots with strangers, or on a street where crime is high. Many systems also alert drivers when their keys are not fully charged, however this feature differs by manufacturer.

Convenience

If you're in a hurry get to a place the smart car key replacement near me key makes getting into your vehicle as easy as it can be. By pressing the button on the trunk release or Smart Car Key Fob Replacement door handle, you can lock, unlock and start your vehicle. Popular Mechanics explains that the key fob can be used to track charging locations, charging, and other vehicle information.

You can't accidentally lock your keys in the car. The key fob communicates with an antenna inside the vehicle to determine whether it's within range. If not, the engine will not start. This is a deterrent to thieves who could take your vehicle and sell its parts.

The smart key uses rolling codes to ward off hacking attempts and cloning, reports BMW. A computer within the vehicle is able to recognize the code and checks it before starting the engine. Most systems have a mechanical back-up in the form a key blade hidden in the.

Modern smart keys also detect the key that is being used and adjust the car settings in line with the use of the key, says How Stuff Works Electronics. For example, if you start the car while holding the key fob in your hand the windows and sunroof open to ventilate the cabin. You can also set a speed limit which will only be applied when the car is powered by the specified key. This feature could be useful if you are lending your car to a driver who has no prior experience.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart fortwo key replacement key, or Smart Car Key Fob Replacement 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 simply press and hold the lock button while pressing the unlock button.

This will stop your smart key fob's ability to send or receiving radio waves which will increase its battery's lifespan significantly. You can always activate the function by pressing both the unlock and lock buttons again.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. Mercedes-Benz smart car key fob replacement (click here to visit Utahsyardsale for free) keys utilize rolling codes to stop the unauthorized access. The car's computer checks the code milliseconds after the smart key is introduced. BMW has a similar system with its Display Key, which comes with a small LCD color touchscreen on the smart key for ease of use, and allows drivers to lock and unlock their cars without ever removing it from their pockets.

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

Special Cases

Smart keys aren't 100% theft-proof but they can aid in deterring thieves. Smart keys use rolling security codes to prevent the hacking of keys, and when they are placed in the ignition, the vehicle's computer checks the code in milliseconds. Mercedes-Benz created this technology, which is now used by luxury car manufacturers.

A smart key system will continue to work even if you don't remember the key in your trunk or leave it at the restaurant. Certain systems will also notify the driver if the battery is running low. Some brands offer keys with covers specifically designed for smart keys, to shield the fob from damage.