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Vehicle Smart Key Technology

The smart key technology found in vehicles enables drivers to unlock and start their car by simply touching the door handle, or putting the key in the pocket. It also allows for various other adjustments, including seat position the internal temperature setting and mirror positioning.

However, this can also lead to security concerns.

Security

Smart keys are advanced computerized key fobs that communicate with vehicles via one of the antennas in the car to unlock doors and start the engine. In contrast to conventional keys that emit the same frequency signal each time they are used, smart keys transmit encrypted signals that only match the specific vehicle they belong to. This makes it harder for tech-savvy thieves to steal or spoof the signal and use the key to steal your car.

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

Furthermore there are smart keys that- like those from BMW come with individual user settings that allow the driver to adjust seat, mirrors and steering wheel position and audio preferences at the push of a button. They also have a backup lock that prevents the vehicle starting without the key.

This technology stops drivers from being unable to lock their vehicle, especially when searching in a purse or a backpack for keys on the parking lot of strangers, or on a street where crime is high. Many systems will also alert drivers if the key battery is depleted, though this feature varies from manufacturer the manufacturer.

Convenience

The smart car key fob, esinislam.com wrote in a blog post, key is perfect for those on the move and need to get to their destination. By pressing the button on the trunk release or door handle, you can lock, unlock and start your vehicle. The key fob will also communicate with your smartphone to keep track of charging, location and other information regarding the vehicle, as explained by Popular Mechanics.

It isn't safe to lock your keys in the car. The key fob communicates with an antenna in the vehicle to determine whether it's in range. If not, the engine will not start. This will deter thieves from the vehicle and Smart Car Key Fob stealing its parts.

BMW reports that the smart key utilizes rolling codes as well to protect against hacking and cloning. The vehicle's computer detects and validates the code prior Smart Car Key Fob to launching the motor. A majority of systems also have a backup mechanical system 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 also detect the keys in use and adjust vehicle settings in accordance with the key's use. If you turn on the vehicle while holding the key in your hands, for example windows and the sunroof can be opened to allow fresh air to enter the interior. You can also set up a speed limit which will only be in effect when the vehicle 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 from sending or receiving radio signals, which will extend its battery life significantly. It is possible to reactivate the function by pressing the lock and unlock buttons again.

Certain smart key replacement keys come with anti-theft functions that prevent them being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to stop unauthorized access to the vehicle. When a smart key is inserted in the ignition, a computer within the car confirms the code in milliseconds, before even starting the engine. BMW has a similar system with its Display Key, which comes with an LCD touchscreen on the smart key to make it easier and lets drivers lock and unlock their vehicles without ever taking the key from their pockets.

If you're thinking about buying a new car that has a smart key, or you need the battery in your smart key fob replaced, call 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

While smart keys are not secure against theft, they can help to deter thieves. Smart key fobs use rolling security codes to protect against hackers, and when put in the ignition, the car's computer validates the code within milliseconds. This technology was invented by Mercedes-Benz and is now utilized by a variety of high-end car brands.

A replacement smart car key key system will function even if you lose the key in the trunk or leave it at the restaurant. Certain systems will also notify the driver if 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.