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Vehicle Smart Key Technology

Smart keys for vehicles allow drivers to unlock and start the car simply by pressing the door handle or putting the key in the pocket. It also allows a variety of other adjustments like the position of the seat the internal temperature setting and mirror positioning.

However, this could also create security concerns.

Security

Smart keys are computerized key fobs which communicate with the vehicle via an embedded antenna to unlock doors and activate the motor. Smart key fobs, in contrast to conventional keys that emit the same frequency each time they're pressed, transmit encrypted signals that are only compatible with the specific car to which they belong. This makes it much more difficult for thieves who are tech-savvy to fake or intercept the signal and use the key to steal your car.

For example, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the key of the driver. 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 pressed.

Some smart keys, such as the ones from BMW additionally have user-specific settings that permit users to alter the seat, mirrors and steering wheel's location and even audio preferences with the push of a button. They also have a backup lock, which prevents the vehicle from starting without the key in the ignition.

This technology prevents drivers from accidentally locking their car, especially when they have to search their purse or backpack for keys in a parking space packed with strangers or on an area with high crime rates. Some systems also notify motorists when their keys are in danger of being depleted, though this feature differs by manufacturer.

Convenience

If you're in a hurry to get somewhere the smart key makes entering your vehicle as simple as it can be. You can lock, unlock and start your car simply by pressing the door handle or the trunk release. The key fob will also communicate with your phone to track charging, location and other information about the vehicle, explains Popular Mechanics.

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

BMW reports that the smart key uses rolling codes in order to prevent hacking and cloning. The vehicle's computer is able to recognize and verify the code before starting the motor. Most systems have a physical backup in the form of an invisible key blade.

How Stuff Works Electronics notes that modern smart key car keys can also detect the key in use and adjust vehicle settings accordingly. If you turn on the vehicle while holding the key in your palm, for example the windows as well as the sunroof will open to allow air circulation to the interior. You can also set an upper limit on speed that will only apply when the vehicle is started using the specified key, a feature that could be useful if you loan 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 activate it, press the lock button, then press the unlock button.

This will prevent your smart key fob's ability to send or receiving radio waves and will increase the battery's life by a significant amount. You can always activate the function by pressing the unlock and lock button again.

Some smart keys include anti-theft features that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised access to vehicles. The car's computer is able to verify the code within milliseconds following the smart key is introduced. BMW utilizes a Display Key with a small LCD screen with a color. This allows drivers to lock their cars, open them, and then start the engine without having to take the smart keys for cars key from their pocket.

If you're considering buying an automobile with a smart key, or you need your smart car Key fob programming key fob's battery replaced, contact Pop-A-Lock for a quick and efficient service. Our mobile locksmiths will replace the battery on any smart key, and will help you set it up so that your car can recognize it.

Special Cases

While smart keys are not safe from theft, they do assist to hinder thieves. Smart keys are designed to prevent hackers from hacking the system. When they are placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz invented this technology, which is now utilized by luxury car brands.

A smart key system will work even if you forget the key in the trunk or leave it in an establishment. Certain systems will notify the driver when the battery is not fully charged. Certain brands provide key covers designed specifically for smart car replacement key keys, to shield the fob from damage.