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The Reasons Smart Car Key Programming Could Be Your Next Big Obsession
Vehicle Smart Key Technology

The smart key technology found in automobiles allows drivers to open and start their vehicle by simply rubbing the door handle, or putting the keys in the pocket. smart key for car allows for a variety of other adjustments including seat position the internal temperature setting and mirror position.

This could also raise security issues.

Security

Smart keys are computerized key fobs that communicate with the vehicle via an embedded antenna to unlock doors and activate the motor. Smart key fobs, unlike traditional keys that emit the same frequency every time they're pulled, transmit encrypted signals which are only compatible with the car to which they belong. This makes it difficult for thieves with a technological edge to spoof or intercept the signal and use the key to take your car.

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

Some smart keys, such as the ones from BMW are also equipped with user-specific settings that permit the driver to alter the seat, mirrors and steering wheel's location and even audio preferences with the touch of a single button. They also come with a backup lock that prevents the vehicle from starting without the key.

This technology helps drivers avoid being unable to lock their vehicle, especially when searching in backpacks or purses for keys in parking lots with strangers or on a busy street where crime is high. Many systems will also inform drivers when the battery in their keys is not fully charged, though this feature varies from manufacturer manufacturer.

Convenience


If you're in a hurry to get somewhere the smart key makes getting into your vehicle as easy as it can be. By pressing the button on the trunk release or door handle you can open, lock and start your vehicle. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other information about your vehicle.

The main benefit is that you aren't able to accidentally lock yourself out. The key fob connects to an antenna in the vehicle to determine if it's within the range. If it's not, the engine will not start. This is a deterrent to thieves who could steal your car to sell the parts.

BMW reports that the smart key utilizes rolling codes, as well as to prevent hacking and cloning. The computer inside the vehicle can recognize and verify the code prior to launching the motor. Many systems also have a mechanical backup in the form of an unnoticed key blade for styling purposes.

How Stuff Works Electronics notes that modern smart keys can be able to detect keys in use and adjust vehicle settings according to the situation. If you turn on your 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 which will only be applicable when the vehicle is started using the specified 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 do this, hold down the lock button and press the unlock button.

This will prevent your smart key fob's smart chip from sending or receiving radio signals which will increase its battery's life by a significant amount. You can reactivate this function by pressing the unlock and lock buttons again.

Certain smart keys have anti-theft capabilities that prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorized access to the vehicle. When the smart key is inserted in the ignition, a computer within the car validates the code in milliseconds before starting the engine. BMW uses a Display Key that has a small LCD color screen. This lets drivers lock their cars, open them, and even start the engine without having to take the smart key from their pocket.

If you're thinking of buying a new car that has a smart key, or if you require the battery of your smart key fob changed, contact us at Pop-A Lock for a quick and efficient service. Our mobile locksmiths can replace the battery of any smart key and assist to set it up so that your car can recognize it.

Special Cases

Smart keys aren't 100 100% secure against theft, but they do aid in deterring thieves. Smart keys are designed to deter hackers from hacking into the system. When placed in the ignition of the vehicle, the computer verifies the code in milliseconds. Mercedes-Benz created this technology, which is now used by luxury car manufacturers.

Another benefit is that the majority of smart key systems will continue to function even if a user forgot the key in the trunk or left it at the restaurant, or lost it on the trail. Some systems will also notify the driver when the battery is low. Some brands offer keys with covers specifically designed for smart keys to guard the fob from damage.