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Vehicle Smart Key Technology

The technology of smart keys in vehicles enables drivers to unlock and start their car by just touching the door handle, or putting the keys in the pocket. It also enables a range of other adjustments like the position of seats as well as internal temperature settings stereo presets, and mirror positioning.

However, this can also create security concerns.

Security

Smart keys are sophisticated key fobs with computers that communicate with vehicles via one of the car's embedded antennas to open doors and start the engine. Smart key fobs, as opposed to traditional keys that emit the same frequency every time they're used, transmit encrypted signals that are compatible with the specific car to which they belong to. This makes it harder for tech-savvy thieves to impersonate or intercept the signal and use the key to take your car.

For instance, Mercedes' system -- called Keyless Go -- has an internal transponder which 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 activated.

Some smart keys, such as the ones made by BMW additionally have user-specific settings that permit the driver to adjust the seat, How To Unlock A Smart Car Without A Key mirrors and steering wheel's position and even audio preferences with the push of a button. They also come with a backup lock that prevents the vehicle from starting if it is not connected to the key.

This technology protects drivers from getting their car locked accidentally, especially when searching in a purse or a backpack for keys on an open parking lot with strangers, or on a street where crime is high. Many systems will also inform motorists when the battery for their key is not fully charged, though this feature may differ from manufacturer to manufacturer.

Convenience

The smart car key not working key is ideal for those who are on the move and need to get to their destination. You can lock, unlock and start your car by pressing the door handle or the trunk release. Popular Mechanics explains that the key fob can be used to track charging or location as well as other vehicle information.

A major benefit is that you don't lock yourself out. The key fob communicates with an antenna within the vehicle to determine if the key is in range. If it's not in range, the engine will not start. This will deter thieves from the vehicle and stealing its parts.

The smart key also employs rolling codes to protect against hacking attempts and cloning, reports BMW. The computer inside the vehicle recognizes the code and checks it prior to launching the engine. A majority of systems also have a mechanical backup in the form of the key blade, which is hidden to enhance the appearance of the.

Modern smart keys also detect the key that is being used and adjust the settings of the vehicle in accordance with the key's use, according to how to Unlock a Smart car Without a key Stuff Works Electronics. If you start the vehicle while holding the key in your hands, for example, the windows and the sunroof will open to ventilate the interior. You can also set a speed limit that will only be applied when the vehicle is started with the selected key, a feature that can 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 activate this feature simply press and hold the lock button while pressing the unlock button.

This will stop your smart car key programming key fob from being able to transmit or receive radio waves. This will dramatically extend the battery's life. You can always activate this feature by pressing the unlock and lock buttons again.

Certain smart keys come with anti-theft functions that prevent them being stolen by thieves. Mercedes-Benz smart keys utilize rolling codes to stop unauthorized access. The computer in the car checks the code milliseconds after the smart key is inserted. BMW uses a similar method with its Display Key, which features an LCD touchscreen on the smart key replacement key for convenience, and allows drivers to lock and unlock their vehicles without ever taking it from their pockets.

If you're considering purchasing an automobile with a smart key, or if you require the battery in your smart key fob changed, contact us at Pop-A Lock for a fast and easy service. Our mobile locksmiths can replace the battery of any smart key and assist to set it so that your car can recognize it.

Special Cases

While smart keys aren't security-wise, they can be used to deter thieves. Smart key fobs are designed to stop hackers from gaining access to the system. When placed in the ignition of the vehicle the computer checks the code in milliseconds. This technology was developed by Mercedes-Benz and is now used by a number of luxury car brands.

A smart key system will work even if you don't remember the key in your trunk or leave it in an establishment. Some systems will alert the driver when the battery is not fully charged. Certain brands also offer key covers that are specifically designed for smart keys that protect the fob from damage.