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Vehicle Smart Key Technology

The smart key programing key technology in vehicles enables drivers to unlock and start their vehicle by just touching the door handle or putting the keys in the pocket. It also allows a variety of other adjustments like seating positions and temperature settings inside the car, stereo presets, and mirror positioning.

This can also lead to security concerns.

Security

Smart keys are key fobs that are computerized that communicate with the vehicle via an embedded antenna to unlock doors and activate the motor. Unlike conventional keys, which emit the same frequency signal every time they are press, smart key fobs transmit encrypted signals that are specific to the specific car they belong to. This makes it more difficult for thieves with advanced technology to detect or spoof the signal, and then use your key to steal your vehicle.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder that can identify the driver's key. 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.

Certain smart keys, like the ones from BMW additionally have user-specific settings that allow drivers to alter the seat, mirrors and steering wheel's position and audio preferences with the click of a button. They also come with a backup lock that blocks the vehicle starting without the key.

This technology can prevent drivers from locking their vehicles, particularly when fumbling in a purse or backpack to find keys in a parking space packed with people or on an area with high rates of crime. Many systems will also inform motorists when the battery for their key is low, but this feature may differ from manufacturer to manufacturer.

Convenience

If you're in a hurry to get to a place, 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 unlock, lock and begin your vehicle. The key fob will interact with your phone to keep track of charging and location as well as other information about the vehicle, according to Popular Mechanics.

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

BMW reports that the smart key utilizes rolling codes in order to protect against hacking and cloning. A computer inside the vehicle is able to recognize the code and validates it before starting the engine. Most systems come with a mechanical back-up in the form a key blade hidden in the.

Modern smart keys can also tell the type of key being used and adjust the vehicle settings as needed, according to How Stuff Works Electronics. If you start the vehicle while holding the key in your palm for instance windows and sunroof will be opened to let air circulate the interior. You can also set a speed limit that will only apply when the vehicle is started using the specified key, a feature that could be useful if you loan your vehicle to a novice driver.

Battery Life

If you're looking for a way to get more mileage out of your vehicle's smart key for car key, or just want to make sure it won't die during a trip to the grocery store, you can activate an auto smart key replacement manufacturer-specific feature called Power Saving Mode. To activate it, press the lock button until you release it and press the unlock button.

This will prevent your smart key fob from sending or receiving radio waves and will increase the battery's lifespan significantly. You can always activate this function by pressing the unlock and lock buttons again.

Certain smart keys come with anti-theft features to prevent them from being copied by thieves. Mercedes-Benz smart keys utilize rolling codes to block the unauthorized access. The car's computer will check the code every millisecond after the smart keys Cars key is put in. BMW makes use of a Display Key with a small LCD screen with a color. This allows drivers to lock their vehicles, unlock their doors, and start the engine without having to take the smart key from their pocket.

If you're considering buying an automobile with a smart key, or require the battery in your smart key replaced, call Pop-A-Lock for a fast and easy service. Our mobile locksmiths will replace the battery of any smart key and help you set it so that your car recognizes it.

Special Cases

While smart keys aren't security-wise, they can be used to deter thieves. Smart keys are designed to prevent hackers from hacking the system. When placed in the ignition of the vehicle the computer checks the code in milliseconds. Mercedes-Benz invented this technology, which is currently utilized by luxury car brands.

Another useful feature is that many smart key systems will operate in the event that the user forgets the key in the trunk or left it at an eatery or lost it during a hike. Some systems will also alert the driver if the battery is depleted. Certain brands have key covers specifically designed for smart keys that keep the key safe from damage.