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7 Things You'd Never Know About Smart Car Key Programming
Vehicle Smart Key Technology

The smart key technology that is found in vehicles allows drivers to unlock and start their car by simply pressing the door handle or putting the key in the pocket. It also permits a variety of other adjustments, including the position of seats and internal temperature settings, stereo presets, and mirror positioning.

However, it could also result in security issues.

Security

Smart keys are advanced key fobs that are computerized and communicate with the vehicle using one of the antennas in the car to unlock doors and to start the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency each time they're used, transmit encrypted signals which are only compatible with the car to which they belong. This makes it more difficult for criminals with a technological edge to intercept or spoof the signal and use your key to steal your car.

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

Certain smart keys, such as the ones from BMW additionally have user-specific settings, which allow users to alter the mirrors, seat and the steering wheel's position and audio preferences at the push of a button. They also have a backup lock that blocks the vehicle from starting without the key.

This technology prevents drivers from being unable to lock their vehicle and causing damage to their vehicle, particularly when searching backpacks or purses for keys on parking lots with strangers or a busy street where crime is high. Some systems will also notify drivers if the key battery is not fully charged, though this feature can vary by the manufacturer.


Convenience

The smart key is perfect for those in a rush to get somewhere. By pressing the button on the trunk release or door handle, you can open, lock and open your vehicle. Popular Mechanics explains that the key fob can also be used to track charging or location as well as other information about your vehicle.

The main benefit is that you won't accidentally be locked out. The key fob communicates with an antenna inside the vehicle to determine whether it is within range. If it's not, the engine won't start. This is a deterrent to thieves who would steal your vehicle to sell the parts.

The smart key also uses rolling codes to ward off hacking attempts as well as cloning, according BMW. A computer in the vehicle reads the code and verifies it prior to launching the engine. Many systems also have a mechanical backup in the form of the key blade, which is hidden to serve as a styling tool.

How Stuff Works Electronics notes that modern smart keys can also detect when the key is in use and adjust vehicle settings in line with the use of the key. For example, if you turn on the car holding the key fob in your hand, the windows and sunroof can be opened to ventilate the cabin. You can also set the speed limit to only be applicable when the vehicle is started using the selected key, a feature that could be helpful when lending your car to a novice 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 the lock button until you release it and press the unlock button.

This will stop your smart key fob from having to send or receive any radio waves. This will dramatically extend its battery life. You can always reactivate this function 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 instance, Mercedes-Benz smart keys use rolling codes to block unauthorised access to vehicles. The car's computer will check the code every millisecond after the smart key is placed. BMW utilizes a Display Key that has a tiny LCD screen with a color. This allows drivers to lock their vehicles, unlock them, and start them without removing the smart key from their pocket.

Contact us at Pop-A Lock if you require to replace the battery in your smart key fob or if you are thinking of buying a car with a smart-key. We can replace the battery in any smart key, and our mobile locksmiths will assist you in setting it up so that your vehicle recognizes it.

Special Cases

Although smart keys aren't theft-proof, they do help to hinder thieves. Smart keys employ rolling security codes that prevent theft, and when placed in the ignition, the vehicle's computer verifies the code within milliseconds. This technology was invented by Mercedes-Benz and is currently used by a number of luxury car brands.

Another useful feature is that the majority of smart key systems will continue to work in the event that the user forgets the key in the trunk, left it at the restaurant or if it is lost on an excursion. Some systems will also notify the driver when the battery is running low. Certain brands also offer key covers specifically designed for smart keys. vehicle smart key g28carkeys.co.uk ensure that the fob is protected from damage.

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