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Vehicle Smart Key Technology

The smart key technology that is found in vehicles enables drivers to unlock and start their car by simply touching the door handle or by putting the key into the pocket. It also allows various other adjustments including the position of the seat and internal temperature settings as well as mirror position.

This could also create security concerns.

Security

Smart keys are highly sophisticated key fobs that are computerized and communicate with the vehicle using one of the antennas built into the car to unlock doors and begin the engine. Smart keys, unlike traditional keys, which emit the same frequency every time they're pressed, send encrypted signals which are only compatible with the vehicle to which they belong to. This makes it much more difficult for tech-savvy thieves to impersonate or intercept the signal and use the key to take your car.

For instance, Mercedes' system -known as Keyless Go -- has an internal transponder that can identify the driver's keys. The Smart Key automatically unlocks and opens the doors and tailgate when it is within 1.5 meters. It also turns on the engine by pressing a button on its key.

Additionally, some smart keys -such as those from BMW -- have individual user settings that allow the driver to adjust the mirrors, seat and steering wheel position and audio preferences at the touch of a button. They also come with the backup lock, which stops the vehicle from starting without the key.

This technology helps drivers avoid accidentally locking their vehicles especially when looking in bags or purses for keys on the parking lot of strangers, or on a street where crime is high. 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 ideal for those who are on the move and need to get somewhere. You can unlock, lock and start your car by pressing a button on the door handle or the trunk release. The key fob will also connect to your phone to track charging locations, charging times and other details about the vehicle, according to Popular Mechanics.

You shouldn't lock your keys inside the car. The key fob communicates with an antenna within the vehicle to determine if the key is in range. If it's not, the engine won't start. This helps deter would-be thieves who could take your vehicle and sell its parts.

The smart key also makes use of rolling codes to prevent hacking attempts as well as cloning, according BMW. The computer inside the vehicle recognizes the code and validates it prior to starting the engine. Most systems have a physical backup system in the form of a key blade hidden in the.

Modern smart keys also recognize the type of key being used and adjust the vehicle settings in line with the use of the key, says How Stuff Works Electronics. For instance, if you turn on the car while holding the key fob in the palm of your hand the windows and the sunroof are opened to let air circulate through the cabin. You can also set a speed limit that will only be used when the car is powered by the chosen key. This feature can be useful when you lend your vehicle to a driver who has no prior 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 activate it, hold the lock button, then press the unlock button.

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

Certain smart keys have anti-theft features that prevent them from being copied by thieves. For instance, Mercedes-Benz smart car key replacement cost keys use rolling codes to stop unauthorized access to the vehicle. When the smart key is inserted into ignition, a computer within the car validates the code in milliseconds prior to it starts the engine. BMW utilizes a Display Key that has a small LCD color screen. This allows drivers to lock their cars, open their doors, and start them without taking the smart key from their pocket.

If you're considering purchasing the latest car equipped with a Smart fortwo key programming key, or if you require the battery in your smart key fob replaced, contact Pop-A-Lock to get a quick and easy service. We can replace the battery in any smart key and our mobile locksmiths will assist you in setting the system so that your vehicle can recognize it.

Special Cases

Smart keys aren't 100% theft-proof, but they assist in preventing thieves. Smart key fobs use rolling security codes to avoid the hacking of keys, and when they are placed in the ignition, the vehicle's computer checks the code in milliseconds. Mercedes-Benz developed this technology, which is now used by luxury car manufacturers.

Another useful feature is that many smart car key case 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 on a hike. Some systems will also notify the driver if the battery is not fully charged. Certain brands provide key covers specifically designed for smart keys that ensure that the fob is protected from damage.