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Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car by grabbing the door handle or putting the key in the pocket. It also allows various other adjustments like seat position as well as internal temperature settings and mirror position.

However, it could also result in security issues.

Security

Smart keys are key fobs that are computerized which communicate with the vehicle via an embedded antenna. This allows them to unlock doors and begin the motor. Contrary to conventional keys, which emit the same frequency signal every time they are activated, smart keys transmit encrypted signals that are specific to the car they belong to. This makes it much more difficult for hackers with the latest technology to detect or spoof the signal, and use your key to steal your car.

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

Some smart keys, like the ones made by BMW, also have user-specific settings, which allow drivers 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 that prevents the vehicle from starting without the key.

This technology assists drivers from accidentally locking their cars, particularly when they have to search their purse or backpack to locate keys in a parking space full of strangers or in an area with high crime rates. Some systems will also notify drivers when the battery of their key is not fully charged, though this feature varies from manufacturer manufacturer.

Convenience

If you're in a hurry get somewhere, the smart key makes entering your vehicle as easy as possible. You can unlock, lock and start your car by pressing the door handle or trunk release. Popular Mechanics explains that the key fob can be used to track charging location, charging status, and other vehicle information.

One of the biggest advantages is that you won't accidentally lose your keys. The key fob communicates with an antenna inside the vehicle to determine whether it's in range. If not, the engine will not start. This will deter thieves who may take your vehicle and sell the parts.

The smart key also uses rolling codes to protect against hacking attempts and cloning, reports BMW. The vehicle's computer is able to recognize and verify the code prior to launching the motor. Most systems also have a mechanical backup in the form of a key blade that's hidden to enhance the appearance of the.

How Stuff Works Electronics notes that modern smart keys can also detect the keys when it is in use and adjust the vehicle settings accordingly. If you turn on your vehicle while holding the key in your hands, for example, the windows and the sunroof will be opened to let air circulate the interior. You can also set the speed limit which will only be applied when the vehicle is started using the selected key, which could be useful if you loan 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 repair 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's ability to send or receiving any radio waves, which will extend its battery's life by a significant amount. You can always reactivate the function by pressing both the lock and unlock buttons again.

Some smart keys include anti-theft features to prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. The computer in the car examines the code in milliseconds after the smart key is introduced. BMW utilizes a Display Key that has a small LCD screen with a color. This lets drivers lock their cars, unlock them, and even start them without taking the smart key from their pockets.

If you're thinking about buying an automobile with a smart car key fob replacement key, or if you require your smart key fob's battery replaced, contact Pop-A-Lock for a fast and easy service. We can replace the battery in any smart key and our mobile locksmiths are able to help you set the system so that your car can recognize it.

Special Cases

Smart keys aren't 100 100% safe from theft, but they can assist in preventing thieves. Smart key fobs use rolling security codes to protect against hacking, and when placed in the ignition, the car key Cutting and programming price's computer verifies the code within milliseconds. This technology was invented by Mercedes-Benz and is now employed by a variety of high-end car brands.

Another useful feature is that most smart key market key systems will continue to function even if a user forgot the key in the trunk or left it at a restaurant or lost it during an excursion. Some systems will also alert the driver when the battery is running low. Certain brands provide key covers that are specifically designed for smart keys, to shield the fob from damage.