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Vehicle Smart Key Technology

The smart key technology that is found in vehicles allows drivers to unlock and start their car by simply rubbing the door handle, or putting the keys in the pocket. It also allows for a variety of other adjustments like the position of seats, internal temperature settings, mirror positioning and stereo presets.

However, this can also lead to security concerns.

Security

Smart keys are highly sophisticated computerized key fobs that communicate with a vehicle through one of the car's embedded antennas to open doors and begin the engine. Smart key fobs, in contrast to traditional keys, which emit the same frequency each time they're pulled, transmit encrypted signals that are only compatible with the specific car to which they belong. This makes it difficult for tech-savvy criminals to intercept or fake the signal, and use your key to steal your car.

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

Furthermore there are smart keys thatlike those made by BMW come with individual user settings that let the driver adjust seat, mirrors and steering wheel position and audio preferences at the click of one button. They also come with an emergency lock that keeps the vehicle from starting if the key is not in the ignition.

This technology helps drivers avoid accidentally locking their vehicles, especially when searching in bags or purses to find keys in a parking lot with strangers or a busy street where crime is high. Many systems will also alert drivers when the battery of their key is low, but this feature varies by the manufacturer.

Convenience

The smart key is ideal for those who are in a rush to get to their destination. By pressing the button on the trunk release lever or door handle, you can open, lock and get into your vehicle. The key fob will also communicate with your phone to track charging locations, charging times and other details about the vehicle, says Popular Mechanics.

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

The smart fortwo key fob key also employs rolling codes to prevent hacking attempts and cloning, reports BMW. A computer within the vehicle detects the code and verifies it before starting the engine. Most systems have a mechanical backup system in the form of an invisible key blade.

Modern smart keys can also tell the type of key being used and adjust the car settings in accordance with the key's use, according to How Stuff Works Electronics. If you turn on the vehicle while holding the key in your palm for instance windows and sunroof will be opened to let air circulate the interior. You can also set an upper limit on speed that will only be in effect when the car is started using the selected key, which could be helpful when lending 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 do this, hold the lock button down and then press the unlock button.

This will disable your smart key fob's smart chip from sending or receiving radio waves which will increase its battery life significantly. You can always reactivate this feature by pressing the unlock and lock buttons once more.

Some smart car key programming keys also have anti-theft capabilities that protect them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. The computer in the car examines the code in milliseconds after the smart key near me key is introduced. BMW also has a similar system with its Display Key, which features a small LCD color touchscreen on the smart key for convenience and allows drivers to lock or unlock their vehicles without ever taking it from their pockets.

If you're thinking about buying the latest car equipped with a smart key, or you need the battery in your smart key fob replaced, call Pop-A-Lock for a quick and simple service. Our mobile locksmiths can change the battery of any smart car key replacement near me key, and will help to set it up so that your car recognizes it.

Special Cases

While smart keys aren't theft-proof, they do help to discourage thieves. Smart keys are designed to stop hackers from gaining access to the system. When they are inserted into the ignition of the car the computer validates the code in milliseconds. This technology was developed by Mercedes-Benz and is now employed by many luxury car brands.

A smart key system will continue to function even if you lose the key in your trunk or leave it in a restaurant. Certain systems will also notify the driver when the battery is not fully charged. Certain brands also offer key covers that are specifically designed for smart keys, to shield the fob from damage.