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Vehicle Smart Key Technology

Vehicle smart key technology allows a driver to unlock and start the car simply by pressing the door handle or putting the key in the pocket. It also allows for a variety of other adjustments, including the position of seats and internal temperature settings, mirror position and stereo presets.

This can also cause security worries.

Security

Smart keys are key fobs that are computerized that communicate with vehicles through an embedded antenna. It can unlock doors and begin the motor. Unlike conventional keys, which emit the identical frequency signal each time they are used, smart keys transmit encrypted signals that are only compatible with the car they belong to. This makes it difficult for hackers with the latest technology to intercept or spoof the signal, and then use your key to steal your vehicle.

Mercedes' Keyless Go system for instance, comes with an internal transponder which identifies the driver's keys. When the Smart Key comes within 1.5 meters of a vehicle, it automatically unlocks the door and tailgate, and the engine starts when a button on the key is hit.

Additionally, some smart keys -- like those from BMW come with individual user settings that allow the driver to adjust seat, mirrors and steering wheel position and audio preferences with the click of one button. They also come with an emergency lock that will stop the car from starting without the key in the ignition.

This technology stops drivers from accidentally locking their vehicles especially when looking in a purse or a backpack for keys in parking lots with people who are not familiar with the area or where crime is high. A lot of systems will also notify drivers when the key is running low on battery, but this feature differs by manufacturer.

Convenience

If you're in a hurry get to a place the smart key makes entering your car as simple as it can be. By pressing the button on the trunk release lever or door handle, you can open, lock and get into your vehicle. The key fob can also communicate with your smartphone to keep track of charging locations, charging times and other details regarding the vehicle, as explained by Popular Mechanics.

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

The smart key also makes use of rolling codes to ward off hacking attempts and cloning, according to BMW. The computer in the vehicle recognizes and verifies the code before starting the motor. Most systems have a mechanical backup in the form of an unnoticed key blade.

Modern smart keys can also tell which key is in use and adjust the settings of the vehicle in line with the use of the key, says How Stuff Works Electronics. If you start the vehicle while holding the key in your palm for instance the windows as well as the sunroof will be opened to let air circulate the interior. You can also set up the speed limit to only be in effect when the car is powered by the chosen key. This feature could be useful if you are lending your car 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 do this make sure you press and hold the lock button while pressing the unlock button.

This will block your smart key fob to send or receive any radio waves. This will greatly extend its battery life. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Certain smart keys have anti-theft functions that prevent them being stolen by thieves. For instance, Mercedes-Benz smart key market keys use rolling codes to prevent unauthorized vehicle access. When the smart key is inserted into ignition, a computer inside the car verifies the code in milliseconds, before it starts the engine. BMW has a similar system with its Display Key, which features a small LCD color touchscreen on the smart key to make it easier and enables drivers to lock and unlock their cars without ever removing it from their pockets.

If you're considering buying a new car with a smart key, or require your smart key for car near me key fob's battery replaced, call Pop-A-Lock for a quick and simple service. We can replace the battery on any smart key and our mobile locksmiths can assist you in setting it up so that your vehicle recognizes it.

Special Cases

Smart keys aren't% theft-proof but they can assist in preventing thieves. Smart key fobs are designed to deter hackers from gaining access to the system. When they are inserted into the ignition of the vehicle, the computer verifies the code in milliseconds. Mercedes-Benz invented this technology, which is currently used by luxury car brands.

Another benefit is that the majority of smart key systems will continue to operate even if a user forgot the key in the trunk or left it in an eatery or lost it on hiking. Certain systems will notify the driver when the battery is low. Certain brands also offer key covers specifically made for smart keys that protect the fob from harm.