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Vehicle Smart Key Technology

Vehicle smart key technology allows drivers to unlock and start the car simply by grabbing the door handle or placing the key in the pocket. It also permits a variety of other adjustments like seat position, internal temperature settings and mirror positioning.

However, it could also result in security issues.

Security

Smart keys are computerized key fobs that communicate with vehicles via an embedded antenna to unlock doors and start the motor. In contrast to conventional keys that emit the identical frequency signal each time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the specific car they belong to. This makes it much more difficult for tech-savvy criminals to detect or spoof the signal and use your key to steal your car.

For example, Mercedes' system -- called Keyless Go -- has an internal transponder that can identify the key of the driver. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also allows you to start the engine by pressing the key.

Furthermore certain smart roadster key programming keyssuch as those from BMW include individual user settings that allow the driver to adjust the mirrors, seat and the steering wheel's position and audio preferences at the click of the button. They also have an emergency lock that stops the vehicle from starting without the key.

This technology assists drivers from locking their car, especially when they have to search their purse or backpack to locate keys in a parking area filled with strangers or on an area with high crime rates. Many systems will also alert drivers when the battery in their keys is not fully charged, though this feature may differ from manufacturer to manufacturer.

Convenience

The smart key is perfect for those in a hurry to get to their destination. You can lock, unlock and start your car by pressing a button on the door handle or the trunk release. Key fobs can also communicate with your smartphone to track charging, location and other data about the vehicle, according to Popular Mechanics.

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

The smart key also employs rolling codes to prevent hacking attempts as well as cloning, according BMW. A computer within the vehicle detects the code and checks it before starting the engine. Most systems have a mechanical backup system in the form of an unnoticed key blade.

Modern smart keys also recognize the key that is being used and adjust the settings of the vehicle as needed, according to How Stuff Works Electronics. For example, if you turn on the car holding the key fob in your hands, the windows and sunroof will open to let air circulate through the cabin. You can also set up a speed limit that will only be applied when the vehicle is powered by the selected key. This feature can be useful when you lend your vehicle to a driver who has little experience.

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 down and then press the unlock button.

This will disable your smart key fob (like this) from transmitting or receiving radio waves that could extend its battery's life considerably. You can always activate the function by pressing both the lock and unlock buttons again.

Certain smart roadster key programming keys have anti-theft features that stop them from being copied by thieves. For instance, Mercedes-Benz smart keys use rolling codes to block unauthorised vehicle access. The computer in the car will check the code every millisecond after the smart key is put in. BMW has a similar system with its Display Key, which includes an LCD touchscreen on the smart key for ease of use and lets drivers lock, unlock, and start their vehicles without ever taking it from their pockets.

If you're considering purchasing a new car that has a smart key, or you need your smart key fob's battery changed, contact us at Pop-A Lock for a quick and efficient service. Our mobile locksmiths can replace the battery of any smart key and assist you set it up so that your car recognizes it.

Special Cases

While smart keys are not security-wise, they can be used to deter thieves. Smart keys are designed to deter hackers from hacking the system. When they are placed in the ignition of the car, the computer verifies the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a variety of luxury car brands.

Another great feature is that many smart key systems will continue to function in the event that the user forgets the key in the trunk or left it in the restaurant, or lost it during hiking. Some systems will also alert the driver when the battery is running low. Certain brands provide key covers specifically designed for smart key for car near me keys that keep the key safe from harm.