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Vehicle Smart Key Technology

Smart keys for vehicles allow the driver to unlock and start the car simply by touching the door handle or putting the key in the pocket. It also allows a variety of other adjustments like the position of the seat, internal temperature settings and mirror position.

However, this can also lead to security concerns.

Security

Smart keys are computerized key fobs which communicate with the vehicle via an embedded antenna. This allows them to unlock doors and activate the motor. Smart key fobs, in contrast to traditional keys that emit the same frequency each time they're pressed, send encrypted signals that 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 -- called Keyless Go -- has an internal transponder, which identifies the key of the driver. When the Smart Key comes within 1.5 meters of a car it will automatically unlock the door and tailgate and starts the engine when a button on the key is pressed.

Some smart keys, such as those made by BMW are also equipped with user-specific settings that allow the driver to adjust the seat, mirrors and steering wheel's location and even the audio settings with the click of a button. They also have a backup lock that prevents the vehicle from running without the key.

This technology prevents drivers from being unable to lock their vehicle and causing damage to their vehicle, particularly when searching backpacks or purses to find keys in the parking lot of people who are not familiar with the area or where crime is high. A lot of systems will also notify drivers when their keys are not fully charged, however this feature differs by manufacturer.

Convenience

If you're in a hurry get to a place the smart key makes getting into your car as simple as it can be. By pressing the button on your trunk release lever or door handle, you can unlock, lock and begin your vehicle. The key fob will connect to your phone to track charging, location and other information about the vehicle, explains Popular Mechanics.

You don't want to accidentally lock your keys inside the car. The key fob is connected to an antenna inside the vehicle to determine if it's within range. If it's not, the engine will not start. This is a deterrent to thieves who may steal your vehicle in order to sell the parts.

The smart key also employs rolling codes to prevent hacking attempts and cloning, reports BMW. The vehicle's computer is able to recognize and verify the code prior to starting the motor. The majority of systems also have a mechanical backup that is an invisible key blade to be used for styling purposes.

Modern smart keys also detect the key that is being used and adjust the car settings accordingly, notes How Stuff Works Electronics. If you turn on your vehicle while holding the key in your hands, for example, the windows and the sunroof can be opened to allow fresh air to enter the interior. You can also set the speed limit which will only be in effect when the car smart key replacement is started using the chosen key, a feature that could be useful if you loan your car to a new 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 make sure you press and hold the lock button while pressing the unlock button.

This will disable your smart key fob's smart chip from sending or receiving any radio waves and will increase the battery's life by a significant amount. You can always activate this feature by pressing the unlock and lock buttons again.

Certain Smart Car Key Programming keys come with anti-theft capabilities that prevent them from being stolen by thieves. For example, Mercedes-Benz smart keys use rolling codes to prevent unauthorized vehicle access. When a smart key is inserted in the ignition, a computer in the car validates the code in milliseconds prior starting the engine. BMW also has a similar system with its Display Key, which includes a small LCD color touchscreen on the smart key for added convenience, and lets drivers lock, unlock, and start their vehicles without ever taking the key from their pockets.

If you're considering purchasing a new car that has a smart key, or need your smart key replacement near me key fob's battery replaced, contact Pop-A-Lock to get a quick and easy service. Our mobile locksmiths will replace the battery on any smart key and assist you set it up so that your car can recognize it.

Special Cases

While smart keys aren't theft-proof, they do help to hinder thieves. smart car keys keys are designed to deter hackers from hacking into the system. When they are placed in the ignition of the vehicle The computer confirms the code in milliseconds. Mercedes-Benz created this technology, which is now utilized by luxury car brands.

Another great feature is that most smart key systems will continue to operate even if the user has forgotten the key in the trunk or left it in a restaurant or lost it during the trail. Some systems will also notify the driver when the battery is low. Some brands offer key covers specifically designed for smart keys to protect the fob from harm.