Vehicle Smart Key Technology

The smart key technology in vehicles lets drivers unlock and start their vehicle by simply touching the door handle, or placing the key into the pocket. It also allows a variety of other adjustments, such as seating positions as well as internal temperature settings mirror positioning and stereo presets.

This could also raise security concerns.

Security

Smart keys are electronic keys that communicate with vehicles via one of the car's embedded antennas to open the doors and to start the engine. In contrast to conventional keys that emit the same frequency signal every time they are pressed, smart key fobs transmit encrypted signals that are only compatible with the specific vehicle they belong to. This makes it much more difficult for thieves with a technological edge to fake or intercept the signal and use the key to take your car.

For example, Mercedes' system -known as 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 turns on the engine by pressing a button on its key.

Additionally some smart keys- like those from BMW include individual user settings that allow the driver to alter the seat, mirrors, steering wheel position and audio preferences with the click of the button. They also have an emergency lock that stops the vehicle from running without the key.

This technology assists drivers from locking their vehicles, particularly when fumbling in a purse or backpack to find keys in a parking lot full of strangers or in a busy street with high rates of crime. Some systems will also notify drivers when the battery in their keys is depleted, though this feature varies from manufacturer manufacturer.

Convenience

The smart key programing key is ideal for those trying to get to their destination. You can lock, unlock and start your car simply by pressing a button on the door handle or the trunk release. The key fob will interact with your phone to track charging, location and other information about the vehicle, says Popular Mechanics.

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

The smart key also makes use of rolling codes to ward off hacking attempts and cloning, says BMW. The computer inside the vehicle recognizes the code and checks it before starting the engine. Many systems also have a mechanical backup that is an unnoticed key blade to enhance the appearance of the.

Modern smart keys also recognize 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. For instance, if you turn on the car while holding the key fob in your palm, the windows and sunroof will open to let the air in the cabin breathe. You can also set the speed limit which will only be applicable when the vehicle is started using the chosen key, which could be useful when loaning your vehicle to a novice 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 smart key replacement manufacturer-specific feature called Power Saving Mode. To do this simply press and hold the lock button while pressing the unlock button.

This will stop your smart key fob from having to send or receive any radio waves. This will dramatically extend the life of your battery. You can always restart the function by pressing the unlock and lock buttons again.

Certain smart keys also come with anti-theft functions that stop them from being copied by thieves. For example, Mercedes-Benz smart keys use rolling codes to block unauthorised access to the vehicle. When a smart key is inserted into ignition, a computer inside the car validates the code in milliseconds before even starting the engine. BMW utilizes a Display Key that has a small LCD screen with a color. This allows drivers to lock their cars, open them, and then start them without having to remove the smart key from their pocket.

If you're considering purchasing a new car with a smart key, or you need your smart key fob's battery changed, contact us at Pop-A Lock for a quick and efficient service. Our mobile locksmiths can replace the battery on any smart key and help you set it so that your car recognizes it.

Special Cases

While smart keys are not theft-proof, they do help to discourage thieves. Smart key fobs are designed to prevent hackers from hacking the system. When placed in the ignition of the car the computer checks the code in milliseconds. This technology was invented by Mercedes-Benz and is now utilized by many luxury car brands.

A smart key system will continue to function even if you lose the key in the trunk or leave it in a restaurant. Some systems will also alert the driver when the battery is running low. Certain brands have key covers specifically designed for smart car key repair keys that keep the key safe from harm.